additional provision

However, the XA protocol does provide some additional integrity to this one-phase commit scenario in its provision of resynchronization and recovery logic for failure during commit processing.

不过，XA协议在提交进程失败时可以提供再同步和恢复逻辑，在这一点上确实比此单阶段提交场景多提供一些附加的完整性。

An additional factor is the poor quality of data provision from Germany.

另外一个原因是德国提供数据的质量太差。

Vulnerable to accidents and to developing emotional, behavioral and learning problems, their care requires additional responsibilities from teachers and the provision of boarding facilities.

因为这些留守儿童容易发生事故，易产生心理、行为和学习问题，所以老师应该承担额外的照顾责任，并且应该给他们提供食宿。