Dr.Ahmed says people can also adjust their lifestyles: such as abstain,from smoking, indiscriminate sexual inter-course and refrain from factors known to be associated with cancer, such as drug abuse. The Nigeria Cancer Society is working with NGOs to create public awareness campaigns that include radio and television advertisements, handbills,pamphlets and other educational materials that are distributed in schools, hospitals and other public places.

VOA: standard.2010.06.16

How many people abstained? Not allowed to abstain: let's try it again. Alpha in this case? No abstentions here.

多少人弃权了,不带弃权的,再举一次,多少人选α,不能弃权

耶鲁公开课 - 博弈论课程节选

However evil those books are in and of themselves, we have to read them so that we might see and know and yet abstain.

但是邪恶也藏在这些书中，我们不得不读它们以便能看到并了解它们然后将之弃绝。

耶鲁公开课 - 弥尔顿课程节选

Not allowed to abstain in this class, it's a complete no-no.

不能弃权,绝对不能弃权

耶鲁公开课 - 博弈论课程节选