The Gulf States produce more oil than they need and sell the surplus to the rest of the world.海湾国家的石油产量高于自己所需的数量，于是就把剩余部分卖给其他国家。The Gulf states include Saudi Arabia, Kuwait, Bahrain, Oman, Qatar, and the UAE.海湾国家包括伊朗、伊拉克、沙特阿拉伯、科威特、巴林、阿曼、卡塔尔以及阿拉伯联合酋长国。