但卡梅伦的保守党及其自身的内阁也陷入了深深的分歧，而伦敦的民粹主义市长鲍里斯·约翰逊（Boris Johnson）已经加入支持英国退出阵营。
But Cameron’s Conservative Party and his own cabinet are deeply divided, while London’s populist mayor, Boris Johnson, has joined the supporters of British exit.