Evaluation results we are seeing is good, where good in the end, how much better, there is no specific data, convincing margin.

大家只看到评价结果是好，到底好在哪里，好多少，没有具体的数据，说服力差。

youdao

He hasn't had a convincing plurality or margin among Conservative Republicans or regular Republicans who are his base.

NPR: Pew Poll Shows McCain, Obama Making Gains

It irritates the majority who are already behaving responsibly, and it may also undermine all government pronouncements on health by convincing people that they have an ultra-cautious margin of error built in.

ECONOMIST: Public health