"There is increased evidence that it helps shorten the duration of the common cold sometimes even by two to three days."

VOA: special.2011.04.20

And I think sometimes on the teeter-totter of each of those three dimensions were teetering where I wish we were tottering a little more as our products are more complicated.

我想有时这就像坐跷跷板,三个维度都在摇晃不定，无法抉择,比我们的产品生产还复杂一些。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选