解释:把利益给出去,就会有实惠返回来;把怨恨给出去,就会有祸害返回来。
The past is never dead. It's not even past.
数学是模式的科学,我们研究它们以学习如何逻辑地、批判地和创造性地思考。
The customer may not always be right, but they always come first.