hear 0f聽到，聽說
put into effect生效
get out of control失控
come to a conclusion得出結(jié)論
decline invitation辭謝邀請(qǐng)
put into use使用，應(yīng)用
put into practice落實(shí)
be satisfied with滿足
hardly…when剛…就…
avoid doing sth.避免干某事
come about發(fā)生，出現(xiàn)
in support 0f支持
bring about發(fā)生，引起
be different from與…不同
out of the question絕不可能
in time及時(shí)
indifferent to不在乎
above all最重要的
prepare for準(zhǔn)備
first of a11首先
get to開始;到達(dá)
at the moment此刻
be on sale 出售
carry through完成
be in demand需要
the key to…的答案(線索、辦法)