这是西班牙画家委拉斯凯兹的名作

Here's the famous Spanish painter.

youdao

画家是谁呢？就是委拉斯·凯兹本人。这也是他唯一已知的自画像。

And the painter? Velazquez himself, in his only known self-portrait.

youdao

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

Here's the famous Spanish painter.

这是西班牙画家委拉斯凯兹的名作

耶鲁公开课 - 欧洲文明课程节选