雅思写作高梯度语汇

　　1-consign something to the scrapheap不再需要某物;

　　2-live in symbiosis with somebody合作关系;

　　3-bypass the knotty problem避开棘手的问题;

　　4-somebody fares better in...某人在某方面表现不俗;

　　5-give something the shove it needs推动某事发展;

　　6-turbocharge极大改善