沉: to submerge, to immerse, to sink, to keep down, to lower, to drop, deep, profound, heavy...
横七竖八: in disorder, at sixes and sevens (idiom)...
售票: to sell tickets...
驾照: driver's license...
就座: to take a seat...
凑: to gather together, pool or collect, to happen by chance, to move close to, to exploit an opportunity...
大规模: large scale, extensive, wide scale, broad scale...
无关: unrelated, having nothing to do (with sth else)...
长期: long term, long time, long range (of a forecast)...
商品: commodity, goods, merchandise...