你的狗叫不了是因为我。

I’m not perfect, but I’m always me.

Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.

安全不仅仅是一项政策，而是我们矿山每天必须践行的一种文化。

盈利和环境责任并不相互排斥，它们必须齐头并进。