社区广播电台和商业广播电台一直是有区别的。There has always been a difference between community radio and commercial radio.这一聚合物的性质目前是个商业机密。The nature of the polymer is currently a trade secret.据报道,警察、车辆和商业经营场所均遭到袭击。Attacks were reported on p...
The park lies on the border between the two countries.这座公园坐落在两个乡村的边界上。Troops patrolled the border day and night.军队日夜在边境地区巡逻。The smugglers were in flight for the border.走私犯正逃往边境。Currency-conversion costs remain one of the...