For example, the rate of breast cancer in Japan, Singapore and Korea is now 3 times what it was 40 years ago.

VOA: special.2009.01.13

I like to go to Korea. I went, I've been five times so far, usually during the summer.

我喜欢去韩国。我至今为止已经去过5次了，大部分是在夏天。

学习外语的原因 - SpeakingMax英语口语达人

North Korea has declared those talks "dead" several times this year,and says it is willing to deal only with the United States as a fellow nuclear weapons nation.

VOA: standard.2009.09.06

The North Korean Central News Agency carried a statement from the country's Naval command,Thursday, accusing South Korea of sending warships into the North's territorial waters at least 10 times this week.

VOA: standard.2009.10.15