When in the US, Ma Yinyin fell in love with a girl called Mi Qianqian.

Who? Yinyin! Yes, this is Mingming. I recognized your voice right away. What a pleasant surprise! When did you get back to Shanghai?

谁？茵茵！是，我是明明。我马上就听出你的声音了。真是愉快的惊喜！你什么时候回上海来的？

Welcome home, Yinyin.

茵茵，欢迎回家。

For take-off, all passengers must fasten their seat belts.

我们就要起飞了, 各位乘客请务必系好安全带.

Please put out your cigarettes and fasten your seat belts.

请熄灭香烟,把安全带系上.

We shall be landing shortly please fasten your seat-belts.

我们马上就要着陆 -- 请大家系好座位上的安全带.

Please stay In your seat and seat belts fastened.

请留在座位并将您的安全带系牢.

He was unable to free himself from the seat belt before the train hit the car.

他无法在火车撞上汽车之前解开安全带.

NOW, WHO WANTS TO WEAR A SEAT BELT?

现在谁想戴上座椅安全带?

Wear your seat belt so you can live to get your Westie out of the car.

你穿安全带,所以你能活到你westie爬出了汽车.

The seat belt sign just went on.

系安全带信号刚亮起来.

Before I got into the accident, I never a seat belt.

在出事故之前, 我从不系安全带.

Fasten your seat belt, please.

请把安全带系上.

Please keep your seat belt fastened and put your seat in the upright position.

请系牢安全带,并使坐椅直立.

Everyone is supposed to wear a seat belt in the car.

每个坐在汽车内的人都应该系上安全带.

A: I think you need fasten your seat belt.

我想你需要系上安全带.

The plane's off. Please fasten your seat belt.

飞机起飞了, 请系好安全带.

Please keep your seat belt fastened and keep your seat in the upright position.

请系好安全带,并直立您的座椅背.

Thus, a seat belt law reduces the benefits to slow and careful driving.

因此, 安全带法律减少了缓慢而谨慎地开车的收益.

How does a seat belt law affect auto safety?

安全带法律是怎样影响汽车安全的?

Yet, as the seat belt example shows, policies can have effects that not obvious in advance.

然而, 正如安全带的例子所说明的, 政策有时也会有事先并不明显的影响.