当然，如何制止这种对食物的浪费是一个复杂的政策问题，这也超出了我们所研究的范围。
Of course, figuring out how to stop all this food waste is a complex policy question and beyond the scope of this particular study.
纽约--吸二手烟的儿童有更大可能陷入精神健康问题，建议对英国儿童做一个大范围的新研究。
NEW YORK — Kids who breathe secondhand smoke are more likely to struggle with mental health problems, suggests a large new study of British children.
这本书不是简单的编辑直觉的堆砌，它是一次对一个广大范围内常见（甚至也包括一些不常见的）用法问题的实证研究。
This book is not merely an array of editorial hunches, but an empirical study of a wide range of common (and even a few uncommon) usage questions.
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