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1·The case was dismissed in the absence of any definite proof.

此案因缺乏确凿证据而不予受理。《牛津词典》

2·In the absence of this species, ecosystems stop working well and may even collapse, Di Martino says.

“如果没有这一物种，生态系统就无法正常运转，甚至可能崩溃。”迪·马蒂诺说。

3·Red leaves only satisfy in the absence of greens.

只有没有绿叶时，红叶才令人满意。

4·In the absence of wolves, coyote populations also grew quickly.

在没有狼的情况下，土狼的数量也迅速增加。

5·Scratching by itself—that is, in the absence of an itch—had no such effect.

抓挠本身——即不养时——并无这样的效果。

6·In the absence of evidence to the contrary, the profession of faith should be enough.

在缺少反面证据的情况下，对于信仰的声明应该足够了。

7·In the absence of parents' company in their childhood, these children will lack of confidence.

童年时缺乏父母陪伴，孩子们会缺乏自信。

8·In the absence of such laws, the states have actually taken action over the past 5 to 10 years.

在这种法律空缺的情况下，各个州在过去的五到十年间已经采取了行动。

9·Bats have an engineering problem: how to find their way and find their prey in the absence of light.

蝙蝠们遇到了一个技术上的难题：如何在没有光线的条件下认路和捕食。

10·In the absence of gene flow between the subpopulations, genetic differences between the groups begin to accumulate.

在亚群体间缺乏基因流动时，群体间的遗传差异开始累积。