Those were really tough tours. They were kept out very often for up to three months, under some pretty grueling conditions.

VOA: special.2010.06.21

- So now we have three conditions -- three forks in the road -- and this program is in fact correct, at least hopefully.

现在我们有三个条件--三岔路口-,然后这个程序的确是正确的，至少我希望是。

哈佛公开课 - 计算机科学课程节选

Newly planted mums should be watered two or three times a week, depending on conditions.

VOA: special.2010.06.29

"Now we have what we would call rush hour conditions or peak travel conditions for as much as eight hours during the day - about three to four hours in the morning and similar time in the evening."

VOA: standard.2010.07.26