开采效率不仅对利润有好处,对地球也有好处。
Language is a skin: I rub my language against the other. It is as if I had words instead of fingers, or fingers at the tips of my words.
形容医生对待患者时应保持高度谨慎和责任感
主动管理策略在扣除费用后无法产生卓越的回报。