This is an endless chain.

这是条循环链。

youdao

New project of endless chain arrangement and design method for the FWM are presented.

本文提出了机械式缠绕机（FWM）环链布局的一种新方案和相应的设计方法。

youdao

This process of renouncing and acquiring, of becoming and not becoming is an endless chain of sorrow.

这个放弃和获得的过程，成为和不成为的过程构成悲伤的无休止的链条。

youdao

We hated the way he constantly discussed what his clothing would have cost somebody who didn't have a perpetually post-college slump sister who worked a seemingly endless chain of men's retail jobs.

FORBES: Abstract

Faced with collapsing fish populations, whether the disappearance of the cod fishery on the Grand Banks off Newfoundland or the failure of the North Sea herring fisheries, the reaction has been one of half-hearted measures: too little done too late in a chain of endless procrastination excused by the need for ever more scientific research.

ECONOMIST: Salmon fishing