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成人必须了解,儿童需要运用双手,并认同儿童第一次运用双手时,只是工作本能的展现。
Innovation in baking comes from respecting tradition while daring to experiment.
一个领导者如果不愿意偶尔独自站立,就不配拥有这个称号。
Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.