with regard t0关于
contribute to贡献等
with a view to为起见
in contrast t0与成对比
be exposed t0/be dedicated to致力=
as t0关于
be devoted to献身于
suchthat那样的以致
as though好像
what about怎么样
go wrong发生故障，出毛病
acquaint sb.with使认识，使了解
congratulation on祝贺
dissatisfaction with/at不满，不平
longing for渴望
preference for,to偏爱，喜爱;优惠;优选
requirement for需要，需要的东西，要求
by comparison比较起来
in sequence依次，逐一
in accordance with与一致
be accustomed to习惯于
be bound to必定，一定
to and fr0来来回回
on schedule按预定时间
at stake在危险中，利害攸关
react to对反应
look forward to期待
or so大约，左右
sofar迄今为止
s0 that以便，为的是;结果是
such as像
that is就是说，即
up t0起来，从事于，忙于;直至