人体实验是一种特殊的交易活动。
但是在低端市场，并没有多少有交易活动发生。
Yet there has been very little activity at the lower end of the market.
林权交易中心将成为中国市场交易活动的重要场所。
Centre for forest right exchange will become an important site of market exchange.
他在这里种五谷、做陶器，渐渐地还出现了交易活动呢。
He grew crops and made pottery, which led to the emergence of trade.
事实上，在许多行业，重要的商业交易往往始于某一次社交活动。
In fact, in many professions, important business transactions are initiated at a social event.
将这一活动扩展到商业交易中并不难。
It is not a stretch to extend that activity into business deals.
指一种反映某特定行业市场活动的股票交易所综合指数。
A stock exchange composite index that reflects the market activity of a particular industry.
证券交易所买卖活动繁忙。
此次参加比赛、交易会和联欢活动的多达60余万人，可谓盛况空前。
The play, fair and celebration of as many as 600,000, is unprecedented.
此次参加比赛、交易会和联欢活动的多达60余万人，可谓盛况空前。
The play, fair and celebration of as many as 600,000, is unprecedented.
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