普通话语音系统受对立统一规律的制约，处处体现出对称美。
Restricted by the law of the unity of opposites, the phonetics system of Putonghua reflects the beauty of symmetry everywhere.
潮汕方言与普通话语音系统存在较大差别，这给潮汕人学习普通话带来很大的困难。
There are many differences in pronunciation system between Chaoshan dialect and Mandarin Chinese, which bring big troubles to Chaoshan people in learning Mandarin Chinese, especially in pronunciation.
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