As populations grow, food becomes a problem.
随着人口的增长，食物成了一个问题。
It can also be exploitative, especially when used with vulnerable populations.
它也可以是剥削性的，特别是用于弱势群体的时候。
The herbicide might damage populations of certain rare plant species that the lake contains.
除草剂可能会破坏湖泊中某些稀有植物的种群。
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。
Should people take action to control the growing deer populations?
人们应该采取措施控制鹿的数量吗？
After that, a few small populations left Africa to populate the rest of the world.
在那之后，少数人离开非洲，移居到世界其他地方。
Today we live in cities with huge populations.
今天我们生活在人口众多的城市。
When populations change, social change follows.
当人口发生变化，社会变化紧随其后。
Most rich countries have rapidly ageing populations.
多数富裕国家拥有快速老龄化的人口。
If wildlife populations crash, it will be too late.
如果野生动物数目减少，那就会太晚了。
South Georgia's king penguin populations too are soaring.
南乔治亚的王企鹅数量也剧增。
Conservationists also continue to monitor bat populations.
环保人士也继续监测蝙蝠数量。
The question is whether populations would put up with this.
问题在于民众是否能容忍这种后果。
In the cold war, the foes were both big countries with big populations.
在冷战时期，敌对双方都是拥有巨大人口的大国。
But the good news is we have also found that tiger populations can recover.
不过好消息是我们也发现老虎的种群数量是可以恢复的。
Culturally appropriate to avoid the risk of offence to local populations.
符合文化习惯，以避免冒犯当地居民。
We will continue to increase support to ethnic groups with small populations.
继续加大对人口较少民族的扶持力度。
Q: What work is being done to improve case detection in vulnerable populations?
问：在改善弱势人群病例发现方面都做了哪些工作？
All populations are vulnerable, but the poor are the first and the hardest hit.
所有的人群都是脆弱的，但穷人首当其冲，受到的影响最大。
They also want to know what happens to whole populations over multiple generations.
他们还想知道历经几代之后整个族群会发生什么变化。
Top predators are key to keeping populations of key species from growing too large.
大型捕食者是使主要的物种种群不会生长过大的关键因素。
Rich countries' populations are beginning to shrink. That's not necessarily bad news.
发达国家的人口开始递减，这从必然性上来说并不是一个坏消息。
Rich countries' populations are beginning to shrink. That's not necessarily bad news.
发达国家的人口开始递减，这从必然性上来说并不是一个坏消息。
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