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       In Los Angeles, drivers spend sixty­one hours every year stuck in traffic. These drivers know too well how bad the traffic can be. “There're too many cars, and you can't move around a lot.”

       Professor Cyrus Shahabi also knows about traffic jams. He lives more than 65 kilometers from his office at the University of Southern     California in Los Angeles. He is always late even with the help of a navigation (导航) system.

       He decided to develop a program called ClearPath for that. He says his program uses historical data to predict traffic conditions even before the driver leaves the house.

   “What's unique is that we use a lot of data that's currently become available including traffic data, weather data, and we analyze that so that we can predict what's going to happen in front of you when you leave home.”

      Professor Shahabi says his system does more than just respond to current traffic conditions. With ClearPath, he says, a driver can decide what time he wants to leave, and ClearPath will give the fastest route. It looks at the entire road network, including surface streets as well as highways, before the driver hits the road. Professor Shahahi hopes to have ClearPath available nationwide and overseas once they can collect traffic data from other cities.

   “I always thought that Los Angeles had the worst traffic, but now I know that Shanghai, Beijing, Seoul, Tokyo, believe it or not, Singapore, Hong Kong certainly are examples that can immediately use this.”

       Professor Shahabi hopes to share this new technology with companies that already have navigation systems, such as Google and Apple. 

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不完满才是人生

季羡林

    ①每个人都想争取一个完满的人生。然而,自古及今,海内海外,一个百分之百完满的人生是没有的。所以我说:不完满才是人生。

    ②关于这一点,古今的民间谚语,文人诗句,说到的很多很多。最常见的比如苏东坡的词:“人有悲欢离合,月有阴晴圆缺,此事古难全。”南宋方岳诗句:“不如意事常八九,可与人言无二三。”这都是我们常引用的,脍炙人口的。类似的例子还能够举出成百上千来。

    ③这种说法适用于一切人,旧社会的皇帝老爷子也包括在里面。他们君临天下,“率士之滨,莫非王土”,可以为所欲为,杀人灭族,小事一桩。按理说,他们不应该有什么不如意的事。然而,实际上,王位继承,宫廷斗争,比民间残酷万倍。他们威仪俨然地坐在宝座上,如坐针毡。虽然捏造了“龙御上宾”这种神话,他们自己也并不相信。他们想方设法以求得长生不老,最怕“一旦魂断,宫车晚出”。连英主如汉武帝、唐太宗之辈也不能“免俗”。汉武帝造承露金盘,妄想饮仙露以长生;唐太宗服印度婆罗门的灵药,期望借此以不死。结果,事与愿违,仍然是“龙御上宾”,呜呼哀哉了。

    ④这些皇帝手下的大臣们,权力极大,骄纵恣肆,贪赃枉法,无所不至。在这一类人中,好的大概极少,否则包公和海瑞等决不会流芳千古,久垂宇宙了。可这些人到了皇帝跟前,只是一个奴才,常言道:伴君如伴虎,可见他们的日子并不好过。据说明朝的大臣上朝时在笏板上夹带一点鹤顶红,一旦皇恩浩荡,钦赐极刑,连忙用舌头舔一点鹤顶红,立即涅槃,落得一个全尸。可见这一批人的日子也并不好过,谈不到什么完满的人生。

    ⑤至于我辈平头老百姓,日子就更难过了。建国前后,不能说没有区别,可是一直到今天仍然是“不如意事常八九”。早晨在早市上被小贩“宰”了一刀;在公共汽车上被扒手割了包,踩了人一下,或者被人踩了一下,根本不会说“对不起”了,代之以对骂,或者甚至演出全武行;到了商店,难免买到假冒伪劣的商品,又得生一肚子气……谁能说,我们的人生都是完满的呢?

    ⑥再说到我们这一批手无缚鸡之力的知识分子。在历史上,一生中就难得过上几天好日子。只一个“考”字就能让你谈“考”色变。“考”者,考试也。在旧社会科举时代,“千军万马挤独木桥”,要上进,只有科举一途,你只需读一读吴敬梓的《儒林外史》就能淋漓尽致地了解到科举的情况。以周进和范进为代表的那一批进士举人,其窘态难道还不能让你胆战心惊,啼笑皆非吗?

    ⑦现在我们运气好,得生于新社会中。然而那一个“考”字,宛如如来佛的手掌,你别想逃脱得了。幼儿园升小学,考;小学升初中,考;初中升高中,考;高中升大学,考;大学毕业想当硕士,考;硕士想当博士,考。考,考,考,变成烤,烤,烤;一直到知命之年,厄运仍然难免,现代知识分子落到这一张密而不漏的天网中,无所逃于天地之间,我们的人生还谈什么完满呢?

    ⑧不完满的人生并不限于中国人,外国的名人也是如此……

    ⑨人人有一本难念的经,所以我说“不完满才是人生”。这是一个“平凡的真理”;但是真能了解其中的意义,对己对人都有好处。对己,可以不烦不躁;对人,可以互相谅解。这会大大地有利于整个社会的安定团结。