The North's warning comes in the middle of a week of North-South talks, seen by many as a thaw between the two.

VOA: standard.2009.10.15

How many psychologists or psychiatrists prescribe "? "run three times a week and see me in the morning"?

多少心理学家或精神科医生规定病人,“每周跑步锻炼三次，早上来见我？

哈佛公开课 - 幸福课课程节选

How many people know that three times a week physical exercise,30 minutes each time has the same effect ? as our most powerful psychiatric drugs?

多少人知道，每周三次,体育锻炼，每次三十分钟，与最强劲的精神药物,有同样的效果？

哈佛公开课 - 幸福课课程节选

Many Israelis and Palestinians interpreted Mr.Obama's speech,last week, as a sign that the United States is serious about moving the peace process along.

VOA: standard.2009.06.09

I've got here lots of flyers given to me by the director of the laboratories which will tell you which lab is the right lab for you, and they're offered many times a week. Yes?

我这里有不少小手册,实验室负责人给我的,它能告诉你该去哪个实验室,实验室在一周中很多个时间段是开放的,你说

耶鲁公开课 - 基础物理课程节选

Angering many Muscovites late last week, the mayor's press spokesman,Sergei Tsoi, told a news website that there was "no crisis situation in Moscow."

VOA: standard.2010.08.10

Earlier this week McChrystal delivered a classified report assessing the war and many analysts expect he will soon ask for more troops and money to fight the battle.

VOA: standard.2009.09.03

While France's famous 35-hour work week is no longer compulsory, many French workers still enjoy what amounts to a seven-hour day, and many have weeks of paid vacations each year.

VOA: standard.2010.04.11

"I think a lot of them are really derivative of "Lost."" With so many viewing choices, getting audiences to tune in to a serialized drama each week is no easy feat, yet "Lost" managed to hold onto a huge,loyal fan base.

VOA: standard.2010.05.25