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
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