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爷很忙2
应该是要现在完成时 you have put too much time and energy for（或者on）us.
热心网友小王
pay more attention to do sth
奔跑小猪mm
we spent lots of time and energy on this item
转瞬壹刻
we have spent lots of time and energy on the item.the item cost us too much time and energy.两种表达都可以。
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