没有几个观察家认为总统将做出彻底改变并开始增加支出。
This past December, Facebook did an about-face on privacy.刚过去的十二月,Facebook的隐私政策上演大变脸。
Joost started by offering video through its own software application, but lost out to Hulu and did an about-face.Joost曾经通过自己的软件提供看影像,但是输给了Hulu,最后不得不做出改变。