Then the option combination fragment's guardcondition is checked to verify the balance is greater then the amount variable.
然后检验选择项组合碎片的约束条件，确认余额大于金额变量。
2
The new stuff I just added probably needs a comment explaining what the little guardcondition does, but I'll leave that alone for now.
我刚添加的新内容可能需要使用注释说明保护条件的用途，但是我现在不管这一点。
3
This methods allows a smart guardcondition at the beginning of every business logic method that relies on the validity of the underlying Notes document.