Together these could have cut 1.5 percentage points from growth in the first half of this year, yielding a feeble 2 per cent - too slow to put a dent in unemployment.

这些因素加总在一起，可能会将今年上半年的经济增速拉低1.5个百分点，使增长率降至乏力的2%——这一增速过于缓慢，无助于缓解减少。

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How is it that the it tools which are famous for improving efficiency and speed and convenience, when applied toe-learning, are yielding such slow results?

为何现在以效率、速度、与方便性等闻名的资讯科技工具，运用到数位学习时，反而产生了较慢的效果？

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