可持续发展就是既要考虑当前发展的需要，又要考虑未来发展的需要，不要以牺牲后代人的利益为代价来满足当代人利益的发展。()
查看答案
How are Jeffrey Moore and his colleagues trying to solve the problem？
A. By adding extra components to their materials.
By creating new materials to substitute the former ones.
C. By filling up the replenishment of healing fluid.
D. By discovering new methods to improve their techniques.
下列选项中,属于客户投诉处理原则的是()
A保持冷静原则
B平息顾客怒气
C尊重原则
D转移注意力
微信支付 
支付宝支付