这些人在任何事情上都非常害怕被标记为失败者，以至于为了给自己的失败开脱而不断制造出这样或那样的障碍。
Such people are so afraid of being labeled a failure at anything that they constantly develop one handicap or another in order to explain away failure.
研究者将家庭成员的DNA进行比对，寻找仅仅在患有语言障碍的家庭成员身上才带有的明确标记。
They compared the DNA of family members, looking for distinctive markers Shared only among the ones who had trouble with language.
最大的障碍是那些有很强视觉质感却又很少显著标记物的东西。
The biggest obstacles are in one category: Objects without a strong "visual texture," and with few distinct markings.
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