(a) Cost-effectiveness and efficiency: this is considered to be the most basic criterion; unless it can be adequately demonstrated that an activity can be done significantly more economically and, at the very least, equally efficiently, by an external party, outsourcing may not be considered;
(a) 成本效益和效率：这一点被认为是最基本的标准。除非能适当显示外方能明显地以更节省的方式，至少以同等的效率完成一项活动，否则不可考虑外包；