proportion

儿童占世界人口的很大一部分。

Children make up a large ___proportion of the world's population.

调查对象中有相当一部分人赞扬了该公司的客户服务。

A significant ___proportion of those surveyed praised the company's customer service.

相当一部分受访者——80%——表示他们对危险的道路和高峰时段的排队不满，而且在租到安全的房子方面也遇到困难。

A significant ___proportion of the respondents — 80% — said that they are not pleased with dangerous roads and the queues during the rush-hours and they also encounter difficulties in finding a safe house to rent.