我每天都和我的闺蜜发短信。

I text my ___best friend every day.

每次我遇到麻烦，我的铁哥们都会第一时间出现。

Whenever I'm in trouble, my ___best friend is always there for me.

人力资源部门作为处理员工招聘和培训的重要桥梁。

The HR department serves as a critical ___bridge handling employee recruitment and training.