下结论：
make a conclusion=A draw a conclusion that
reach a conclusion that
arrive at a conclusion that
=B hammer a conclusion that
crystallize a conclusion that
使用：use=employ， apply， adopt，=resort to
解决：solve=A address
handle
tackle
B deal with
Cope with
减轻：
reduce=A lessen， lighten， lower
=B mitigate， alleviate
=C decrease， degrade
