化合价的概念是理解化学键的关键。

"Life is a shipwreck, but we must not forget to sing in the lifeboats."

Failure is simply the universe's way of teaching you what not to do next time.

商业的未来是数字化的，而数字化的未来在云端。

In electronics, reliability isn’t a feature—it’s the foundation.

我不是由我的过去定义的。我是由我的未来驱动的。