美国总统唐纳德·特朗普 (Donald Trump)和美国国务卿马尔科·卢比奥 (Marco Rubio)星期天抵达加拿大小镇卡纳纳斯基斯，参加七国集团峰会。

Britain has also agreed to a quota of 1.4 billion litres of tariff-free U.S. bioethanol imports, a volume roughly equivalent to the country's total annual domestic demand. In return, the U.S. has ...