"The report we received this morning is a clear indicator that the economy is slowly returning to growth."

VOA: standard.2009.12.05

I mean buy could actually be a negative indicator that this is probably not of interest to the user.

我的意思是购物可能是一个负面暗示,暗示用户对这些不是很有兴趣。

哈佛公开课 - 计算机科学课程节选