This is a rough estimate, but it serves as a baseline that must be added to any desired threshold for testing.
这是一个大致的估计，但它必须作为基线添加到任何想要的测试限制中。
But now unfortunately I have come to realise just how rough it must have been for Grandpa to be away from his children for a year.
然而不幸的是，现在我开始体会到，你爷爷离开自己的孩子们一年之久，该是多么痛苦的事情。
People frequently made comments like, "That must be rough," and "How do you stand it?"
人们经常这样评论，“那肯定很难过，”，“你怎么受得了？”
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