That number is expected to grow as more people use mobile phones.

VOA: special.2009.11.02

What you might have expected would be the children would then use whatever system their adults use, but they don't.

你可能会认为儿童会使用,成人所使用的语言系统,但事实并非如此

耶鲁公开课 - 心理学导论课程节选

Another important concept in probability theory that we will use a lot is expected value, the mean, or average-- those are all roughly interchangeable concepts.

概率论中另外一个常用的重要的概念是,期望值或者也叫均值,这两个概念可以互换

耶鲁公开课 - 金融市场课程节选

For example,it says climate change and land use are expected to increase desertification worldwide, increasing the risk of sand and dust storms.

VOA: standard.2009.03.23