Rosenberg argues convincingly that public-health advocates ought to take
a page from advertisers, so skilled at applying peer pressure. 粗体的是做什么成分呢?是做advertisers的非限定性定语吗?
The Dutch giant Elsevier, which claims to publish 25% of the scientific papers produced in the world, made profits of more than £900m last year这里为什么要用of more than而不直接用More than呢?