有人居住的世界的界限是由人类知识的范围决定的。

物理学中的每一个发现都打开了一扇通往新奥秘的门。

The key to financial reform lies in optimizing resource allocation and improving service efficiency.

"The key to great acting is listening. It's not just about saying your lines, it's about hearing what the other person is saying."

有些事情发生了却没有留下可察觉的痕迹，没有被谈论或记录下来，尽管如果说后续事件漠不关心地继续下去，就好像这些事情从未发生过一样，那是非常错误的。