时间因素比价格更重要。
Responsible mining is not an option, it's an obligation we owe to our planet and future generations.
负责任的采矿不是一种选择,而是我们对地球和后代应尽的义务。
Literature is the most beautiful revenge against reality.
The probability of a response is determined by its reinforcement history.
现在你们不是国人的勇士,怎么能既学好学业又学好射箭呢?