Psychological explanation is: people have to keep the psychological balance needs, a communication if not maintained in one or both of the psychological balance, will inevitably cause a rift between.

心理学上的解释是：人都有保持心理平衡的需要，一种交往如果不能维持一方或双方的心理平衡，势必造成关系的裂痕。

youdao

If the machinery were not maintained properly, It would get rusty as time passes.

机器要不好好养护，久而久之就要生锈。

《新英汉大辞典》

If your log configuration file is not easily accessible (if your production environment is maintained by a different organization, for instance), you must use a different tactic.

如果您的日志配置文件不能方便地进行访问(例如您的产品环境是由一个不同的组织进行维护的)，那么您就必须使用一种不同的策略。

youdao

The HPA said hot tubs posed a health risk if not regularly maintained.

BBC: JTF Warehouse

Both firms would no doubt point out that compensation has fallen, that they are being less generous than competitors and that their staff would leave if pay were not maintained.

ECONOMIST: Banks and bonuses

U.S. Secretary of State Hillary Clinton warned during a visit to Egypt last month that the desert border between Israel and Egypt could become an "operational base" for jihadists if security is not maintained.

CNN: STORY HIGHLIGHTS