卖: to sell, to betray, to spare no effort, to show off or flaunt...
互补: complementary, to complement each other...
条: strip, item, article, clause (of law or treaty), classifier for long thin things (ribbon, river, road, trousers etc)...
民警: civil police, PRC police, abbr. for...
发出: to issue (an order, decree etc), to send out, to dispatch, to produce (a sound), to let out (a laugh)...
滞留: to detain, retention...
前后: around, from beginning to end, all around, front and rear...
单独: alone, by oneself, on one's own...
致: to send, to devote, to deliver, to cause, to convey...
用人: servant, to employ sb for a job, to manage people, to be in need of staff...