Persuading people to uproot themselves can be a battle .

说服人们离开自己的家园可能很难。

Mr cameron has much more persuading to do .

他要做的说服工作有很多。

But persuading chinese consumers may be harder .

但要说服中国消费者也许会遇到困难。

Persuading china to take a lead will be a challenge .

说服中国担负起带头的责任将会是个挑战。

Persuading the world to eat less meat looks like a tough task .

说服全世界少吃肉看起来是一项艰难的任务。