There is a small hole in the side to drain out extra moisture and keep from drowning the plants.

VOA: special.2011.06.14

Much easier to keep a flask of cells under very sterile, very reproducible conditions than it is to keep a small animal, right?

保存一小瓶细胞,该细胞可在无菌条件下再生,这要比保存小动物容易的多

耶鲁公开课 - 生物医学工程探索课程节选

Just a few small points. First of all, keep in mind that the bug is probably not where you think it is. Because if a bug were there, you'd have already found it.

第一，记住错误可能不是，发生在你认为的地方,因为如果那儿有一个错误,你可能已经找到了它。

麻省理工公开课 - 计算机科学及编程导论课程节选

Maybe it's a tradition, maybe it's to keep the value kind of in a familiar range or a small-- they don't want them to get too expensive because people can't-- small investors can't afford them anymore.

也许是传统使然,也许是为了将价值维持在一个惯常的小区间内,他们不想让价格升得太高,因为人们,小投资者无法承担过高价格

耶鲁公开课 - 金融市场课程节选