That is a sure way to mobilise banner-waving crowds .

这是一个可靠的方式来动员挥舞旗帜的人群。

Leaderboards create a problem for wisdom of crowds systems .

排名榜给群众智慧系统制造了一个难题。

Crowds may be harder to cheat than individuals .

骗一群人要比骗一个人难的多。

Oshio returned to montreux jazz festival in july 2003 to fascinate more crowds .

2003年7月，押尾桑重返蒙特勒爵士音乐节吸引了更多的听众。

Crowds of people are often seen as bad for public order .

人群常常被看作是对公共秩序的一种威胁。