trade造句
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。
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。
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。