Each person took the test twice over two days and beforehand received either an injection of ghrelin, a hunger hormone that is released by the stomach, or a shot of saline as a control.

每个人两天里做的测试是多过两次的，并且这些人在参加测试之前都会注射一种胃饥饿素(从胃里释放出的一种饥饿激素)，或者是盐水。

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People can say what he wants to say though two-lips. A person can manage own's mouth, but can not control others.

嘴上两层皮，想怎么说就怎么说，人可以管好自己的嘴，却管不了别人的嘴。

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You can demonstrate products and you can event conduct two-person interviews on camera because you have a remote-control which also doubles as a microphone.

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