In some areas,healthy yellow, brown and green reefs have become a bleached white color.

VOA: special.2009.04.22

Take away the illness. You'll become healthy. It's good.

把病治好，就会变得健康，这很好。

哈佛公开课 - 幸福课课程节选

If we take away the illness,then we become healthy.

如果治好病，就会变得健康。

哈佛公开课 - 幸福课课程节选