Thereissomanyrichpeopleinyourarea,tothemahighpricemeansagoodqualityproduct.
温室气体的增多加剧了温室效应。
早一天解决环境问题意味着早一点回复生态平衡。
Shonaneedstodofurtherresearchinorderto____.
Whilethefreehealthcliniccosts$1milliontooperate,itis$500000lessthanthecoststhecompanywouldrealizeifemployeesweretreatedelsewhere.