streamline

v.提高效率

strategically, strategist, strategy, stratification, stratify, stratoscope, stratosphere, stratum, straw, straw poll (also straw vote), straw-coloured, strawberry, strawberry-mark, stray, stray away from, streak, streaker, streaky, stream, stream of consciousness, streamlined, streamlining, street, street credibility (also ,street `cred), street value, street-girl (also `street-walker), street-wise, streetcar, strength, strengthen, strenuous, strenuously, streptococcal, streptococcus, streptomycin, stress, stress mark, stressful, stretch, stretch out,