She could have made the sandwich herself; her mother needn't have bothered to do anything.
她本可以自己做三明治;她母亲本来不用费心做任何事。
So far only 19 states have bothered to set up their own civil war committees.
但迄今只有19个州勉强设立本州的内战委员会。
So much so, in fact, that few have bothered to test this hypothesis in any systematic way.
尽管如此,事实上还没有人系统地验证过这一假设。
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