n. 流动的车辆[行人], 交通( traffic的名词复数 ); （非法的）交易, 买卖; （沿固定路线的）航行, 行驶, 飞行; 运输, 人流, 货流

n the aggregation of things (pedestrians or vehicles) coming and going in a particular locality during a specified period of time

n buying and selling; especially illicit trade

n the amount of activity over a communication system during a given period of time

n social or verbal interchange (usually followed by `with')

v deal illegally

v trade or deal a commodity