her absence from Shanghai她不在上海
her absence in Shanghai她不在这里而在上海
in the absence of缺乏……
absence of mind 心不在焉
be absent from 缺席没到
absent oneself from 缺席
absentee n.缺席者
absently adv.漫不经心地

in (the) light of 根据 按照
on the ground(s) of根据
in terms of 根据 在……方面
in/by virtue of 由于 根据