For example, research has established that exercise is good for mood.
例如，研究已经证实锻炼对心情有益处。
As an example, research on rapeseed has shown great potential for improved yield and profit.
举例来说，油菜研究表明了巨大的增产增收潜力。
As an example, research on rapeseed has shown great potential for improved yield and profit.
举例来说，油菜研究表明了巨大的增产增收潜力。
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