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，...
The average commuter journey there is five hours long.那里的通勤一族平均上下班要花5个小时。The journey ends in the ancient city of Marrakesh.旅行的终点是马拉喀什古城。The much repaired plane was crated for the return journey.经过大修的刨子被装入木箱运回去。...