他一直在拜访人们的家，并称其是来检查他们所有的电器是否安全。
He is been calling at people's homes, saying he's come to check that all their appliances are safe.
不管他们怎么做到这点，拉皮塔人穿越了太平洋的三分之一，分散居住在那里，并称其离开是出于一些只有他们才知道的原因。
However they did it, the Lapita spread themselves a third of the way across the Pacific, then called it quits for reasons known only to them.
美国食品药品监督局那时发了一封警告给制药商并称其在收到消费者致病投诉一年多才上报监管部门。
The U.S.Food and Drug Administration sent a warning letter to the drugmaker at the time, saying it had waited more than a year to notify regulators after getting complaints of customers becoming sick.
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