But it can also increase the risk of soil erosion by rain or wind.

VOA: special.2010.09.28

And the answer is that-- yes it won't make a difference to our wellbeing but it also doesn't mean that we cannot increase our level of wellbeing.

答案是-,是的，它不会改变我们的幸福水平,但并不意味着,我们不能提升自己的幸福水平。

哈佛公开课 - 幸福课课程节选

The result has been some progress on the ground, but also a sharp increase in U.S.casualties, with more than in just the last three months.

VOA: standard.2009.09.22

"Well,one of the major recommendations was that government should actually try to increase the allowances they are giving them" But Ama says they also need social support.

VOA: standard.2010.05.10