Cities take shape over time, as the work and wisdom of generations accumulate. They are the crystallisation of the public's pursuit of betterment.
城市是长期形成的，凝聚了几代人心血和智慧，还是大众利益诉求的综合结晶。
The third approach involves: 1 the synthesis of certain molecules containing readily polarised groups of substituents, and 2 the controlled polymerisation or crystallisation of these molecules.
第三种方法包括：1将含极性取代基的染料分子合成；2控制染料分子的聚合或结晶过程。
The third approach involves: 1 the synthesis of certain molecules containing readily polarised groups of substituents, and 2 the controlled polymerisation or crystallisation of these molecules.
第三种方法包括：1将含极性取代基的染料分子合成；2控制染料分子的聚合或结晶过程。
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