We owe a great deal to our parents．

I owed the landlord one hundred dollars．/I owed one hundred dollars to the landlord．

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老师举行了一次会议讨论关于学生吸烟的问题。(concern)

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她关上大门，免得小狗从花园里跑掉。(prevent…from…)

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只要你答应留在这儿，你愿意做什么就做什么。(as long as,whatever)

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不管我们遇到什么困难，我们决定继续进行我们的旅行。(no matter what,go ahead with)

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最后，祝大家健康长寿。(conclude)

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As long as you don’t betray me,I’ll do whatever you ask me to(do)．

As long as you drive carefully,you will be very safe．

I’m not particular about how you do it as long as it gets done．