In particular, though there are now many large corporations, many of these were built up from scratch by hard-working and frugal entrepreneurs. It would just be too painful for them to lay out the large amount of cash required to bring in an environmental engineering firm to install a full set of equipment. There's no need to mention what the situation is like at small and medium operations where capital is low.
尤其國內資金雄厚的大企業雖多，但其中不乏白手起家、勤儉致富者；要這些業者花大筆錢找一家合格專業的環境工程公司，為他們做一整套的諮詢服務和設備引進，那未免太心疼。