Dr.Strebel says the Millennium Development Goal aimed at reducing child mortality by two-thirds by 2015 will be missed if measles outbreaks continue to spread.

VOA: standard.2010.05.21

Does anyone have that in their brain somewhere for ready use? I don't, in fact, so it's actually okay if you don't know all your common ions, if you missed that part.

你们有谁有印象它们有什么用吗？,我当时是不知道，所以如果你们不记得,这部分也没有关系。

麻省理工公开课 - 化学原理课程节选

You know, if you missed the part.

如果你没听到那部分的话。

英语学习技巧 - SpeakingMax英语口语达人

Because very often,if we only study the average, we only see the average,we only see the geometric shapes and completely missed the children on the bus.

因为很多时候，如果我们只研究平均水平，那就只会看到平均的结果，只看到几何形状,完全忽略了汽车上的孩子。

哈佛公开课 - 幸福课课程节选

There's one other possibility here I've missed which is what if Pepsi prices at marginal cost itself?

这里还缺少一个可能性,即,如果百事定价在边际成本怎么办

耶鲁公开课 - 博弈论课程节选