lifelines什么意思解释

Lifelines would be of no help until the product is selling.如果产品卖不出去,这些救命资金也毫无帮助.They firmly lay hold of all the lifelines of their national economy.他们牢牢地控制住国民经济的命脉.They firmly took hold of all the lifelines of their nati...

lifelines的音标：...