The letter is in fairly good condition, in spite of being out of the care of trained museum staff for so long.

虽然很长一段时间里，该信件没有受到专业博物馆员工的维护，但是其状况良好。

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Once purchased and trained, this would allow the casual user to save money and time, freeing up precious space in our busy lives to read a good book.

一旦购买并训练好了这样的机器人，临时用户就能节省金钱和时间，从我们的繁忙生活中腾出宝贵的空间来读一本好书。

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Now I know why cats can't be trained as good as dogs.

现在我明白了为什么猫没法训练成和狗一样了。

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"A well-trained dog and a very good, well-trained handler can find explosives with little or no false alarms, " Beltz said.

CNN: Are dogs the key to bomb detection at airports?

Some of the silent actors were theatre- or vaudeville-trained, some were just good-looking people who were drawn to Hollywood, and did what they were told to do or imagined that they needed to do.

NEWYORKER: The Artists

Mainly, they require relentless attention to detail: good products, prompt service, well-trained staff with the power to do a little extra when they judge it right to do so.

ECONOMIST: Managing customers