White said his team wanted to see whether living in greener urban areas had a lasting positive effect on people's sense of well-being or whether the effect also disappeared after a period of time.
怀特说，他的团队想知道生活在绿化较好的城市地区是否会对人们的幸福感产生持久的积极影响，还是说这种影响会在一段时间后就消失。
The once powerful figures have also disappeared from the scene one after another.
那些烜赫一时的人物也一个个销声匿迹了。
It was later removed from Caixin's website and also disappeared from several others that had reposted it.
后来这篇文章从《财经》网站上删除，同时从转载该文的其它若干网站上删掉。
Over a fifth of the world's freshwater fish species of a century ago are now endangered or extinct. Half the world's wetlands have also disappeared over the past 100 years.
一个世纪以来，全球湿地消失了一半，淡水鱼种类中超过五分之一已经灭绝或濒临灭绝。
When the farmer returned from the woods, donkeys also disappeared.
当农夫从树林里回来时，驴子也不见了。
A police station has also disappeared into the giant 100-metre-deep fissure.
同样消失在这个深达100米的地洞中的还有一座警察局。
All the patients were cured, treated with penicillin. At the same time, complications also disappeared.
青霉素治疗效果良好，全部病例均治愈，并发症亦消失。
All the patients were cured, treated with penicillin. At the same time, complications also disappeared.
青霉素治疗效果良好，全部病例均治愈，并发症亦消失。
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