歌唱就是祈祷两次。

The string is a stark data structure and everywhere it is passed there is much duplication of process. It is a perfect vehicle for hiding information.

化学是一门研究物质性质及其变化的科学。

The true cost of seafood isn't just the price tag—it's the environmental debt we leave unpaid.

每个数学问题都有解答；挑战在于找到它。

我从未认识过任何人是他们看起来的样子；或者至少，只是他们看起来的样子。