His friendly behavior was a cloak for his evil intentions.
他友善的举动实际上是对邪恶动机的掩盖。
The findings indicate that physical warmth unconsciously stimulates friendly behavior toward other people, according to marketing professor Lawrence Williams of the University of Colorado at Boulder.
据博尔德(Boulder)的科罗拉多大学市场学教授Lawrence Williams所说,这个发现表明身体上的温暖会无意识地激发起对其他人的友好行为。
For example tax credits for those who purchase electric cars to encourage environmentally friendly behavior.
如给予购买电动汽车者以税收奖励以鼓励环境友好行为。
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