一个更好的方法是耶鲁大学的心理学家阿兰·凯兹丁所称的激励和赞扬的方法。

A better approach is something Alan Kazdin, a psychologist at Yale University, calls prompt and praise.

youdao

阿兰·凯兹丁：方法就是要经常的做，这样你就不需要激励，只要表扬孩子的好行为就可以了。

Says Kazdin, "the idea is to do this often enough so you can eventually move away from the prompt and just give the praise."

youdao

阿尔弗雷德凯驰清洁设备股份有限公司曾为世界上许多著名建筑物做过清理，包括巴西里约热内卢的基督像、德国柏林的勃兰登堡大门以及美国纽约的自由女神像等。

Alfred Karcher GmbH and Co. has cleaned a number of monuments, including the Statue of Christ in Rio DE Janeiro, the Brandenburg Gate in Berlin and the Statue of Liberty in New York.

youdao