下列选项中，_____不符合确定用户需求应遵循的原则。
A．尊重用户的意见
B．价格越贵越好
C．适当考虑未来
D．替用户着想
参考答案：B
He did his best to make them what he meant, but it didn’t help.
A. understood B. understand C. to understand
国标规定接力器不动时间不得超过0.5s
