请注意针对后者的错误处理程序可撤销前者所做的工作，以使数据不会处在一种不一致的状态。
Notice that the error handler for the latter undoes the work of the former so that data is not left in an inconsistent state.
前者存储的信息涉及员工的姓名、地址和可享有的假期，而后者包含有关薪水和部门的信息。
The former stores information concerning the employee's name, address, and leave entitlement, while the latter contains information regarding salary and department.
如果使用可预测的模式分隔子字符串，则前者可以将字符串分解成几个子字符串。
The former can decompose a string into substrings if the substrings are separated by a predictable pattern.
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