今天，家庭的主要经济活动是消费性的，尽管家庭中有些成员在社会上所干的可能是生产性的。
Today the main economic activities of the family are in the nature of consumption-however productive may be what some of its members do in society.
这个指数是政府对未来经济活动的主要判断标准。
The index is the government's chief gauge of future economic activity.
在半干旱地区，草地通常是最主要的天然植被，而该地区主要的经济活动是家畜饲养。
The raising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation.
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