通过确认所有的可恢复的动作或者向前或者后退来在数据库之间维持数据的完整性。

Integrity is maintained even across databases by making sure that all the recoverable actions either go forward or go back.

youdao

这使得迁移的代码模型与 C# 转换组件保持一致，这样模型就能够参与到 UML-to-C# （向前进） 和 C#-to-UML （向后退）的转换中。

This makes the migrated code model compatible with the C# transformation components, which enables the model to participate in UML-to-C# (forward) and C#-to-UML (reverse) transformations.

youdao

在询问决定的时候身体向后退——传递着惊恐和不确定的信息。脚踏实地，或者甚至可以坚定地向前踏一小步。

Stepping back when you're asking for a decision - conveys fear or uncertainty. Stand your ground, or even take a slight step forward with conviction.

youdao

So, you reinforce the pig for walking forward and you punish the pig for walking backward.

那你就对这头猪向前走的行为给予强化,如果它向后退，你就惩罚它。

耶鲁公开课 - 心理学导论课程节选