With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

我从未对建筑的社会方面感兴趣。

The key to happiness is gratitude.

智能化开采是煤炭行业高质量发展的关键。

Active management strategies are unlikely to produce superior results after fees.

如果你想在数学上取得进步，你必须习惯于不舒服。