The survey,conducted with ActionAid Ghana, found what it said were serious threats to livelihood and food security Kingsley Ofei Nkansah is general secretary of Ghana's Agricultural Workers' Union.

VOA: standard.2009.08.23

As I said earlier, this course is not a survey course of positive psychology.

正如我刚才所说，本课程并不是积极心理学的调研课。

哈佛公开课 - 幸福课课程节选

In France,where a government vaccine campaign kicked off in public schools on Wednesday, a recent survey found only 21 percent of French said they planned on getting vaccinated.

VOA: standard.2009.11.25

A survey published by the research group ComRes on Tuesday said 2.5 million people who say they are certain to vote say they are still undecided who to vote for and more than a third of voters said it was "quite possible" they would change their mind on who to vote for by the time the polls open Thursday morning.

VOA: standard.2010.05.05