农业的成功不仅仅以产量衡量,还以我们为后代留下的遗产衡量。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
可持续性不仅仅是植树,而是在正确的地方种植正确的树木,并确保它们世代繁茂。