可持续性不是一个流行词,而是我们对后代的责任。
Patience and perseverance are the keys to scientific discovery.
I stand up for what I believe in, and a lot of the time that can be against the grain.
生活若无波折险阻,就会过于平淡无奇。
礼义法度,是随着时势而变化的。