Anyone could access the system and use it the first time with almost no questions.
任何人都可以使用该系统并且在第一次运行时几乎没有遇到任何问题。
The first problem is no effective use of braking energy.
第一个问题是无法有效利用制动能量。
It is no use tackling specific problems unless we have first settled this general issue.
要解决第一个问题，方法很简单；解决第二个问题，方法就更简单。
It is no use tackling specific problems unless we have first settled this general issue.
要解决第一个问题，方法很简单；解决第二个问题，方法就更简单。
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