作者:Yu Weiran 8 年以前
340
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by doing A, sb fails to do
A makes it difficult to do
A prevents/keeps sb from doing sth
harmful
harm
hamper
by doing A, sb manage to do
makes it possible to do
enable/allow to do
be beneficial to sth.
benifit
aid
clarify diversify
enable endanger
enhance
boost
strengthen
promote