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。
Surface must be completely cleam. dry and free of dust and oil. If applieed on plastic, polish the surface with sand paper to make it rough.
接合面必须清洁，干燥，无灰尘或油污，若是塑料物件，应先用砂纸打磨其表面，使之粗糙。
A leader, once convinced a particular course of action is the right one, must have the determination to stick with it and be undaunted when the going gets rough.
一位领导者，一旦相信某一特定行动方向是正确的，必需要有坚持它的决心且在情况艰难时不受影响。
A leader, once convinced a particular course of action is the right one, must have the determination to stick with it and be undaunted when the going gets rough.
一位领导者，一旦相信某一特定行动方向是正确的，必需要有坚持它的决心且在情况艰难时不受影响。
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