As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.
煤炭行业要坚定不移地走安全高效、清洁低碳的发展道路。
The true writer is one who dares to confront the uncomfortable truths of our time.
Those who do not remember the past are condemned to repeat it.
The Internet is a powerful tool for education, communication, and collaboration.