So this is a general sense of what dietary guidelines of the United States are.

所以这个就是目前,美国饮食指导的大概状况

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

General Motors, as you know, is an auto producer in the United States and it hasn't been doing well, as you may have heard -as is the general auto industry in this country; it's suffering under competition from abroad.

通用汽车公司,众所周知,是美国的汽车制造商,它现在效益不好,也许你们听说过,整个国内汽车行业的情况都不好,它承受着来自海外品牌的竞争

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