but for除...以外,倘没有,除非
either...or或或,不是就是;无论...还是
even if/though即使,虽然
as to至于,关于
as well as也,既...又
back and forth往返,来来往往地
because 0f由于,因为
bothand既又,两个都
each other互相
or else否则,要不然
even then即使那样
except for除之外
by far...得多,最
so far迄今为止
if only要是就
in itself本身
at least至少,最低程度
a little一点;一些,少许
quite a little相当多,不少
as/so far as远至,到...程度
far from远非,远离
first of aⅡ首先,第一