有形门槛
Tangible threshold
以上为机器翻译结果，长、整句建议使用 人工翻译 。
但是自身条件的不足和社会环境的种种限制，就像一道道有形无形的门槛不断粉碎着他们的城市梦，阻碍了其自我价值的实现。
But the constraints of their own conditions and social environment are the obstacles for its realization as they break down their dreams in the city.
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