It all adds up and it all goes to a good cause.

VOA: special.2010.05.17

A little conversation here,a little conversation there it adds up.

如果这有人说话，那有人说话,加起来就很吵了。

麻省理工公开课 - 固态化学导论课程节选

Okay. Okay, so no surprises on how many calories were coming in meals, but in snacks yes, because there's a lot of stuff that you kind of don't consider when you're just noshing here and there and it kind of adds up.

好,从正餐中摄取的热量并不令人惊讶,但是从零食中的热量摄入令人吃惊,因为当你不经意地吃点小零食时,热量就在悄悄累积

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选