But even in the most favourable circumstances.

即使是在最有利的环境中。

youdao

But even in the most favourable circumstances only a small fraction of the creatures that die are preserved in this way before decay sets in or, even more likely, before scavengers eat them.

即使在最有利的环境中，死去的生物也只有一小部分在开始腐烂前，或更有可能在被食腐动物吃掉之前，被这样保存下来。

youdao

But even in the most favourable circumstances, only a small fraction of the creatures that die are preserved in this way before decay sets in or, even more likely, before scavengers eat them.

即使是在最有利的环境中，死去的生物中也只有一小部分能在开始腐烂前，或更可能在被食腐动物吃掉之前，被这样保存下来。

youdao

Mr Harper took office in favourable circumstances.

ECONOMIST: Canada

Although the technical means to achieve this are now in place, and the low incidence of the disease makes the circumstances more favourable than ever before, eliminating syphilis may be harder than it at first appears.

ECONOMIST: Going, going . . . gone?

An election was now the inevitable result - in circumstances far from favourable for Labour.

BBC: CONSERVATIVE VICTORY