11.说明问题的特性

1　This is a common characteristic of……

This is a common characteristic of a preliterate society.

这是文字出现以前的社会里常见的特性。

The reconstruction of the relationship between government and public education has become a common characteristic of worldwide public educational system reform.

政府与公共教育关系的重建已经成为世界范围内公共教育体制改革的一个共同特征。

Noises of cities are a common characteristic that urban inhabitants have to live with.

城市居民不得不忍受都市特有的喧嚣。

2　……is a hallmark of……

Diversity is a hallmark of the renewable energy development.

再生能源发展的特点是多元化。

Urbanization is a hallmark of the economic development.

城市化是经济发展的标志之一。

Care for people with a disability is an important hallmark of a civilized and progressive society.

关心残疾人是社会文明进步的重要标志。