"But Alzheimer's affects a number of spheres as well, including language,someone's ability to participate in conversation following conversations,as well" He adds that current treatments focus on improving memory, language capabilities and the ability to participate in family activities to put some enjoyment back into lives.

VOA: standard.2009.12.04

it's unfair for developed countries to force them to participate in anti-global warming activities.

发达国家强迫他们参与对抗全球气候变暖的活动是不公平的，

全球变暖与国力 - SpeakingMax英语口语达人