It takes place every two years, and organizers say even with the economic downturn they expect a "full house."

VOA: special.2009.06.13

Well it was something like eight years ago that we reached the present situation with two finance courses.

八年前的一件事,促使我们同时开设了两门金融类课程

耶鲁公开课 - 金融市场课程节选

And so literally, the company was two years old when we came up with these.

我们公司创建两年后,就提出了这三个优先。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

The company is said to have never broken its contract with the government in its two and a half years of operation.

VOA: special.2010.04.26

I have the freedom to pass that person because I like the trend. Suppose I have somebody else who came here with two years of chemistry in high school, got a 95 on the first test, 70 on the second test, failed the third test, failed the final, has an aggregate score of 48.

我能够选择让那人通过,因为我喜欢他的进步，假设另一个同学,学了2年的化学在高中,第一次测试得到95分，第二次70分，第三次没通过，期末考也没通过。

麻省理工公开课 - 固态化学导论课程节选

The two groups were retested four years later, and the study compared the results with the first test.

VOA: special.2009.10.21

Mr.Klimentidis said they considered animals with at least two body weight measurements in the past sixty years.

VOA: special.2010.12.21

The Ford Foundation started the program eight years ago with two hundred eighty million dollars.

VOA: special.2009.09.24

Over two hundred years ago, the United States struggled with piracy in the Mediterranean Sea.

VOA: special.2009.05.27

But this was not always the case. Visitors to the Smithsonian's National Museum of American History can see two exhibits dealing with the early years of the AIDS crisis.

VOA: special.2011.06.15

He jumped ninety-nine times in two years with the flying show.

VOA: special.2009.03.18

The story begins two thousand years ago with a willow tree.

VOA: special.2009.10.20

But he still has two years with the National Guard.

VOA: special.2011.07.08

And,from there on to continue breast feeding with appropriate complimentary foods until the age of two years or beyond."

VOA: standard.2009.08.01

Even with the rise, the latest figure remains nearly 50 percent below the consumer confidence number reported two years ago.

VOA: standard.2009.08.25

Lithuania - one of the most nuclear-energy dependent nations along with France asked the EU to allow it to keep the plant open for another two to three years.

VOA: standard.2010.01.01

"And the relation with Israel within two years allowed Turkey to tell the Syrians you either kick him out or we will come in there to pick him up and it worked."

VOA: standard.2009.10.27

"In a short time,we realized that we were going to have 27 wells within a short walk from the house, And as of today,we have 63, with indications that will double in the next two years."

VOA: standard.2010.01.02

"However,what Egypt did undermine, to an extent,especially in the last two years, has been to combine its legitimate defense of national security concerns with a wider appeal to Arab interests and Palestinian interests at the core of them,".

VOA: standard.2009.11.03