adj.可贸易的,可买卖的
Anita Loos was in many respects untypical of the screenwriting trade.
在许多方面,安妮塔·卢斯看着都不像是从事剧本创作这一行的。
They issue a fixed number of shares that trade publicly.
他们发行一定数量的可公开交易的股票。
The nature of the polymer is currently a trade secret.
这一聚合物的性质目前是个商业机密。