您的问题很简单.百度知道很高兴帮助您解决您提出的问题.
1、原句：it was useless doing
翻译：这是无用的 (干什么事情)正在做的
2、原句：it was useless to do
翻译：这是没用的（去做什么事情）将去做的
这样的次有很多例如：
keep to do或者doing
百度知道永远给您最专业的英语翻译.
it was useless ding 与it was useless to do 区别?
3个回答
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