如果你遇到更年长的自己，我们完全确定一旦你的年纪到了更年长的自己的那个时刻，你会在那里碰到更年轻的自己。

If you met up with an older version of yourself, we know with absolute certainty that once you age into that older self, you will be there to meet your younger self.

youdao

12岁那年遇到萨瓦·辛格，她就憧憬能嫁给他。当她把马球递给他的时候，不小心也极其幸运的碰到了他的手。

After meeting Jai at the age of 12 she began to wish she could be his groom, fortuitously brushing his beautiful hand as she handed him his polo stick.

youdao

大多数情况下，访问者离开是因为碰到了障碍：遇到了让他们无法继续下去的问题。

Most of the time, visitors leave because they've hit a roadblock: a problem that lets them go no further.

youdao

What you're much better at doing is saying how do I take the problem I've got and map it into a class of algorithms about which I know and use the efficiencies of those to try and figure out how to make it work.

当你碰到问题的时候,更好的方法是把遇到的问题映射,到已经设计好的算法中去,并用这些算法来提高效率,来保证问题得到解决。

麻省理工公开课 - 计算机科学及编程导论课程节选