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Have certain knowledge of parenting and advanced education concept.
有一定的育儿知识和先进的教育理念。
youdao
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A journey cannot be planned without certain knowledge of the starting point.
在不知道起点的情况下，没法计划一个旅行。
youdao
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A journey cannot be planned without certain knowledge of the starting point.
在不知道起点的情况下，没法计划一个旅行。
youdao