我应该做好准备处理意外情况。
用户期待程序处理他们的输入,而您应该预期会出现意外情况。
Users expect your program to handle their input, and you should expect the unexpected.
在这一过程中可能会有意外情况需要人工干预(如,OTMPS 操作员可能手工处理和纠正一些错误的订单)。
There might be exceptions to this normal processing, which require human intervention (for example, an OTMPS operator might manually handle and correct an invalid order).
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