certain overworked
某些过度劳累
以上为机器翻译结果，长、整句建议使用 人工翻译 。
These findings will no doubt be scoffed at by many Americans who are certain that they, and nearly everyone they know, are overworked (and who may find time to write letters to the editor saying so).
ECONOMIST: Why Americans have plenty of time to read this
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