双语例句原声例句
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Teaching is an art and a craft, talent and practice; it is not something that just anyone can be good at.
教学是一门艺术、一门手艺、一门才能，也是一门实践；这不是随便一个人都能做好的事情。
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View IDs need not be unique throughout the tree, but it is good practice to ensure that they are at least unique within the part of the tree you are searching.
视图ID不需要在整个树中唯一，但至少在你搜索的树中确保其唯一是比较好的做法。
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It is proved that the system had good effect and be fit for practice application.
实践证明，该取得了很好的控制效果，适合现场实际应用。
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Oftentimes, inventions that seem, in the abstract, to be good ideas may be impossible because something that you have to do to make it actually come into practice is too expensive and so it's not economic to produce the invention.
通常在理论上,创新固然不错,但却很难实现,因为把创意变成现实,花费会相当的昂贵,实现这样的创意非常不合算
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