Over the past few years, cars have become smarter and smarter. Some of them can even drive themselves.

在过去的几年里，汽车变得越来越智能。一些汽车甚至能自动驾驶。

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Once you work out that you can connect with people in spite of differences, you become smarter and more confident.

一旦你发现你可以与人在差异中交流，你会变得更聪明、更自信。

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These tests have shown that over the last 100 years, each new generation has become smarter than the older ones.

这些测试表明，在过去的100年里，每新一代人都比老一代更聪明。

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As cellphones become smarter, they may also offer kids a surreptitious avenue to the Web.

FORBES: On The Web's Edge

We can help each other become smarter and stronger as business persons and individuals.

FORBES: Service Learning and Mentoring Makes America Stronger

People also have become smarter about managing the risks of potential investment losses and avoiding unsustainable debt levels.

NPR: Financial Discipline Grows 5 Years After Crisis