当你有话要说时，沉默就是谎言。

The tools we use to detect exoplanets are constantly evolving, pushing the boundaries of what we thought was possible.

I'm the reason your hopes won't rise.

You have to believe in yourself when no one else does. That's what makes you a winner.

返祖现象是理解犯罪行为的关键。

The value of an economic model lies in its ability to explain and predict.