controversies造句怎么写

He was modest and charming in private, although visibly ill-at-ease on big public occasions and prone to gaffes and unnecessary controversies.

The ecosystem of value-added and exploitive businesses making a living off of Wikipedia will expand dramatically, which is bound to create plenty of unforeseen issues and controversies.

The most savage controversies are those about matters as to which there is no good evidence either way.

"Obama downplayed any suggestion that the recent controversies surrounding his campaign would torpedo his candidacy."

Whether China should liberalize capital account evokes a lot of controversies, mainly on whether the benefits of capital account liberalization exceed its costs and risks.