语音学是研究语言声音的.Phonetics deals with speech sounds.语音学是一门语音的科学.Phonetics is the science of sounds.我从图书馆借了一本语音学入门书.I borrowed from the library a primer of phonetics....
Businesses need to train their workers better, and spend more on R&D.各企业需要更好地培训工人，并且在研发方面加大投入。Spending could outrun the capacity of businesses to produce the goods.消费有可能超出企业的产能。Businesses are feeling the indirect effects...