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do away with废除, 消灭, 去掉
例句：That city has decided to do away with overhead wires.
那个城市决定取消架在空中的电线。
They did away with the law.
他们废除了这项法律。
on behalf of代表…
例句：At the airport he read an address of welcome on behalf of the association.
在机场上他代表该协会致了欢迎词。
I'm writing on behalf of my mother to express her thanks for your gift.
我代表我母亲写信, 对你的礼物表示感谢。
2.You have figured it out very quickly that the cholera in Haiti came from South Asia, tell me about that.
figure out计算出; 解决;想出
例句：The purchase price figures out at about two million dollars.
交易的价格计算在200万美元左右。
Could you help me figure out this problem?
你能帮我解决这问题吗?
3. Children served themselves and then filled out questionnaires.
fill out〈主美〉填写(表格等)
例句：Please fill out the attached blank.
请把附表填好。
