At the same time, the policy addresses none of the truly thorny questions about homework.
同时，这项政策并未触及关于作业的真正棘手的问题。
Until now, many sellers that have a physical presence in only a single state or a few states have been able to avoid charging sales taxes when they ship to addresses outside those states.
迄今为止，许多只在一个或少数几个州拥有实体存在的卖家，在向这些州以外的地址发货时，都能够避免征收销售税。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。