英语翻译The main economy of the system stems from the ability to

英语翻译The explanation for our increased prices stems from the The incidence rate of cancer mainly stems from several facto 英语翻译The significance of an item stems from its importance in 英语翻译The main advantage of the matching method is the ability 英语翻译The ability of the purchasing company to subject potenti 英语翻译One of the main shortfalls in the previous system encoun 英语翻译The survivability of the system is shown to improveover 英语翻译Validation studies should examine the ability of HVLD to 9． Straw hats are made from the stems of grass plants.(改为同义句 英语翻译The rapid development of the knowledge economy made the what are the main purposes of an operating system? to the best of one's ability