有2%到3%的人因大脑发育不良而引发学习障碍，但这类学习障碍者绝大多数是男性。
Poor brain development causes learning disabilities in 2% to 3% of the population, but the problem is more prevalent in males.
草莓是一种营养丰富、经济价值较高的水果，但连作障碍使草莓生长发育不良，产量与品质下降，而造成连作障碍的因素种类繁多，极其复杂。
Strawberry is a kind of nutritious fruit with high economic value, but the growth of strawberry was inhibited by the continuous cropping obstacle, with the yield and the quality being decreased.
目前，我国信用体系发育不良和失信盛行，已经成为妨碍我国经济正常运转的严重障碍。
At present, underdevelopment of credit system and prevalence of dishonest operation have seriously hindered national economic development.
目前，我国信用体系发育不良和失信盛行，已经成为妨碍我国经济正常运转的严重障碍。
At present, underdevelopment of credit system and prevalence of dishonest operation have seriously hindered national economic development.
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