如果你不能安全地开采它,你根本不应该开采它。
If you can't mine it safely, you shouldn't mine it at all.
利润和可持续发展必须齐头并进,否则两者都会沉没。
勇气是知道什么不该畏惧。
Agricultural research should address national needs and solve practical problems, it cannot be separated from production practice.
True leaders are always alone.