But it would also invest in clean energy, health care and education.

VOA: special.2009.01.09

You cannot just tell the computer to enhance that or can you clean that up and then magically use zoom in not only on the image but also on the reflection of the victim in someone's eyeball.

你不能直接要求计算机增强,这张图片或者修复它,然后期待计算机很神奇地放大图片,以及死者的眼珠的反光。

哈佛公开课 - 计算机科学课程节选

But IMF official Marek Belka says Europe also must clean up its banking system.

VOA: standard.2009.04.24

We have made a historic investment in clean energy, which will not only create the jobs of tomorrow, but will also lay the foundation for long-term economic growth.

VOA: standard.2010.04.25