心理学是精神生活的科学。

这类波可以像光波一样被反射、折射和偏振。

Green mining and low-carbon utilization are the only way for the sustainable development of the coal industry.

我不能选择那最好的，是那最好的选择我。

我不追随潮流，我创造潮流。

If you are insecure, guess what? The rest of the world is, too. Do not overestimate the competition and underestimate yourself. You are better than you think.

成功的关键在于理解并满足他人的需求。