a link in the chain

成語所屬單字link

a link in the chain — 慣用語

1. One of the steps or parts that together form a process or argument.

1.慣用語
釋義

鏈條中的一環

One of the steps or parts that together form a process or argument.

例句

Each department is a link in the chain of product development.

Did you consider every link in the chain before making a decision?