然而，在埃塞俄比亚进行的一项研究显示肥皂剧能起直接的作用。
But research in Ethiopia showed that dramas can have a direct effect.
一份新的报道显示，哈欠能够帮助大脑保持凉爽，鼻窦在这个过程中所起的作用就像是风箱。
Yawning helps keep the brain cool, and the sinuses play a role in that process by acting as bellows, a new report suggests.
甚至在辩论之前就有迹象显示新媒体起的作用并不像人们预期的那样大。
There were signs even before the debate that new media were not living up to expectations.
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