你可以把旧背包放在网上出售，这是一个很棒的主意。
It is such wonderful idea that you can put your old backpacks online for sale.
一个很棒的主意浮现于我的脑海。
一个很棒的主意兴起于我的心头之中。
我突然想到一个很棒的主意来解决这个问题。
I was struck by a great idea about how to solve the problem.
进入门槛很低：一个很棒的主意加不算多的钱，竞争者就能脱颖而出。
Barriers to entry are low: rivals can emerge with just a good idea and a little money.
我觉得我们学校允许我们自己设计校服是一个很棒的主意。
I think that our school allows us to design their own school uniform is a great idea.
当我有一个很棒的主意而脑子里又没有可用信息时，换句话，当我绞尽脑汁想得出个什么的时候。
When I've got a great idea and don't have the information readily available in my brain... in other words, when I have to dig my brain to get it.
当我有一个很棒的主意而脑子里又没有可用信息时，换句话，当我绞尽脑汁想得出个什么的时候。
When I've got a great idea and don't have the information readily available in my brain... in other words, when I have to dig my brain to get it.
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