煤炭不仅仅是一种商品，它是对美国未来的承诺。

你所要做的就是写一个真实的句子。写出你所知道的最真实的句子。

The beauty of quantum algorithms is that they often provide exponential speedups over classical algorithms.

"I think the best writing comes from a place of deep emotional truth."

每个结局都只是伪装的开始，等待被认出。