1 sentence

1. 在这个团队中，他是核心人物，没人可以顶替他的位置。

   zài zhè​ge tuán​duì zhōng, tā shì hé​xīn rén​wù, méi rén kě​yǐ dǐng​tì tā de wèi​zhi.

   He is the core member of this team, and no one can take his place.

   Source: Dong Chinese Dictionary