岁不寒,无以知松柏;事不难,无以知君子无日不在是。
时节不寒冷,就不会知道松柏挺拔且郁郁葱葱的;事情不危难,就不会知道君子每日都在持守信念。
我想这就是爱人的一部分:你必须放弃一些东西。有时你甚至不得不放弃他们。
Agricultural modernization is not only the modernization of technology, but also the modernization of thinking and management concepts.
"The joy of discovery is certainly the liveliest that the mind of man can ever feel."