我要保存这封信,以防万一。
我多带了一些现金,以防万一。
万一你需要帮助的话,这是我的电话号码。
And just in case the assumptions are not true, we're just going to stop dead in our tracks.
验证下假设条件,万一传递的参数。
and it's more or less that. I don't want to spoil it in case anyone goes to see it.
差不多就是那样的。万一有人要去观看这部剧呢,我可不想毁了它。
Just in case I'll move my mike a bit lower.
以防万一我还是把麦克风调低点吧
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