在人们来在一起买卖商品或各种服务的地方，我们就有了许多进行商业操作的集体或是合作团体。
So we have got a number of collectives or groups of co-operatives where people come together barter and trade goods and services.
目前加拿大社会的这种特点导致多伦多的房地产市场非常活跃，这里每年都进行着大量的住宅或商业地产买卖。
These current features of Canadian society imply an active real estate market in Toronto, in which large numbers of residential and commercial properties are sold and bought every year.
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