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What is the best way to get away from the stress and pressure of our daily lives? Go on vacation! Vacations can1us a chance to have a rest and can also help us to spend more time with our 2ones. Whatever you do for your vacation, you need to plan 3.

The first thing you need to do for a 4vacation is to find out where to spend it. Different people have different 5of relaxing. Some might like to stay at home for a week; others might like to climb mountains. Try to find a place where you can 6the most.

The second thing to decide is how much 7 you plan to spend on your trip. If you always 8 money, you won't be able to enjoy your holiday. Spending 9money than you can afford to go on a vacation will only make you feel 10, so make a useful plan that will allow you to spend your holiday well.

A vacation can help you to feel relaxed and get away from the busy world around you. It's very helpful to your health, so make sure you plan your vacation properly!

函数$y=A\sin \left(\omega x+\phi \right)\left(A>0,\omega >0,\left|\phi \right|<\frac{\pi }{2}\right)$的图象如图所示，则函数的表达式为（    ）