这个群体并不代表全体人口。

This group is not representative of the population ___at ___large.

这场辩论涉及对整个社会都重要的问题。

The debate concerns an issue important to society ___at ___large.

新政策对广大公众的益处得到了全面分析。

The new policy's benefits to the public ___at ___large were comprehensively analysed.