这些差别促进了两组间的授粉作用。
由于蜜蜂在作物授粉中扮演重要角色，因此对全国食物供应也有至关重要的作用。
Bees are vital to the nation's food supply because of the role they play in pollinating crops.
如果不同的授粉者都出现了严重的数量减少问题，这无疑对农业来说也可能有提示作用。
There is a genuine concern that if indeed there were to be a serious decline in the various pollinators, it could have implications for agriculture, no question.
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