Never Took Place

A plan was devised to move 100,000 Japanese from Hawaii, but this never took place.

曾有计划把10万日本人从夏威夷转移，但这并未发生。

In fact, the colonists and Indians never got along very well, and this first Thanksgiving dinner probably never took place.

事实上，殖民者和印第安人相处地一直不好，而这第一次的感恩节大餐可能也从未举办过。

If any of the changes cannot be committed, the transaction will roll back, undoing all of the changes as if the transaction never took place.

如果有任何变更不能被提交，则事务将回滚(roll back)，并取消所有的变更，恢复到事务从没有发生之前的状态。