As in the sea, it seems that on the land one key food chain collapsed: the one with leaves as its basic raw material.

和在海洋中一样，陆地上一个关键食物链，一个以树叶为基本原料的食物链似乎也崩坏了。

youdao

I have bacon bandages, an oinking pig key chain and lots of other tchotchkes.

我有熏肉创可贴，一个会哼哼的猪钥匙链和很多其他的小玩意。

youdao

I received a key chain with my initials, and I remember thinking that the idea behind it was so lovely.

我得到了一个写有我名字缩写的钥匙链，我记得当时觉得这背后的想法是多么地令人感动。

youdao

For example, California's Stanford Graduate School of Business has just held a major conference on another key part of environmental policy for businesses -- supply chain management.

CNN: Bridging commerce and research

His mistake was admitting to a relative that a key piece of evidence found at the murder scene - a gold chain - was, in fact, his.

BBC: The horrors of No.9 Kelvin Road

This may be the crucial test for Mr Dell who, after all, gave his name not just to the firm but to a whole business model (just-in-time, made-to-order manufacturing using an outsourced supply chain), key elements of which have since been adopted by his competitors.

ECONOMIST: Second-act chief executives