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Europe is a great place to explore. There are so many amazing places to visit, so make sure you do it right. Here are a few dos which I have learnt during my travels around Europe.

*       DO make sure you save up enough money beforehand. Some people may want to earn money while they're travelling but you have to know that it's impossible to get enough impossible to pay for your trip by doing so, so make sure that you have enough money before you go!

*       DO try to find the best way of transport. From my experience, I have learnt that the more uncomfortable the journey is, the cheaper it is. For example, a seven-hour bus ride through the night costs much less than a half-an-hour flight. So it's up to you to decide whether it's worth it!

*       DO spend time choosing your hotels. Take time to make sure that you've chosen the best place to stay. Believe me! There are so many different choices in Europe ... from campsites to hotels, B&Bs (bed and breakfast)... For instance, if you5 re looking for lots of partying and nightlife, a family B&B is not for you.

*       DO make sure that you'll remember the experience forever! Take pictures and videos, buy postcards and souvenirs, and write a journal... It's always so nice to look back on your time travelling at a later date to refresh your memory and it can also be so much fun to make memories by taking pictures and writing along the way.

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How long do you think you will live? Many people don't think they will live a long life. How long will you live?

Probably much longer than you think.

In 1992, the University of Michigan's Health and Retirement Study asked 26,000 Americans over the age of 50 the chance of living to the age of 75. Now, researchers at the Brookings Institution checked the results to see if they were right.

In 1992, seven percent of respondents (应答者) gave themselves “zero” chance to reach 75. But in fact, nearly half lived to 75 or longer. Is it amazing?

Among respondents who gave themselves a 50 percent chance of living to 75, 75 percent lived to that age or longer.

And among those who said they were completely certain of living to the age of 75, nearly 8 in 10 did.

“In general, people wildly underestimate (低估) their chances of reaching 75, but you in fact can live longer than you think,” a researcher wrote on the blog. You'll probably live much longer than you think. Life expectancy (预期寿命) in the United States was 78.74 years in 2012, according to World Bank data, and 71 years worldwide.

"There is no clear relationship between how long people think they'll live and how long they actually do. We don5t know the reason of file results. Maybe people's life quality changes a lot but they don't realize,” the researcher said. In fact, respondents who gave themselves a 10 percent chance of living to 75 had at least a 60 percent chance of doing so.

Do you think that you511 live to 75? Just believe that you have a 90 percent chance, and you may probably do.

（○代表神经元细胞体，＜代表神经末梢，且ab=bc、ac=de）

（○代表神经元细胞体，＜代表神经末梢，且ab=bc、ac=de）