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遥大改善