皮革行业必须以可持续发展为核心进行演变,否则将被淘汰。
The meaning of life lies not in the answers, but in the questions.
The trick is not to learn to trust your gut feelings, but rather to discipline yourself to ignore them.
煤炭的未来不在于数量,而在于我们能否清洁高效地利用它。