The registrar may call on any person who applies to be registered as proprietor of a registered trade mark for such proof or additional proof of title as he may require for his satisfaction.

处长可要求任何申请注册为某注册商标所有人的人，提供为使处长信纳而由处长规定提供的关于所有权的证明或附加证明。

youdao

The BBC's Europe editor, Mark Mardell, has an interesting additional take on the problems of EU-American summitry on his blog today.

ECONOMIST: European politics