因此,深入开展深埋地铁站点火灾安全研究有助于地铁安全管理工作。
But shouldn the Kremlin be deeply concerned over what is happening beyond Lake Baikal?但是克林姆林宫难道不该考虑一下在贝加尔湖的正发生着什么吗?
The philosopher thus has good reason to be deeply concerned with the workings of language.哲学家因此有充分的理由去深入研究语言机制。