如果没有负责任地使用先进机械以维护长期土壤健康的智慧,最先进的设备也毫无意义。
I don't sing because I'm happy; I'm happy because I sing.
Depression is the inability to construct a future.
仓库里没有积蓄备用的粮食,一旦遇到饥荒之年,就很难应付了。
Enterprises must have the courage to take responsibility and play a leading role in ensuring national energy security.