至少在公众看来，这并不是因为他们缺乏韧性、管理才能或是与之匹配的技能。
According to the public, at least, it's not that they lack toughness, management talent or proper skill sets.
血管型抑郁症可能产生，一旦血管随着时间变得缺乏韧性而发硬，变得狭窄。
Vascular depression may result when blood vessels become less flexible and harden over time, becoming constricted.
聚合物材料具有较好的韧性，但缺乏生物活性。
It is well known that polymers have better toughness, but it lacks bioactivity.
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