美国允许卢克石油国际有限公司开展部分交易。

Group 1 - The core point of the article is that the U.S. has allowed Luke Oil International Limited to conduct certain transactions [1] Group 2 - The decision indicates a potential shift in U.S. policy regarding international oil companies [1] - This move may open up new opportunities for Luke Oil in the U.S. market [1] - The implications of this decision could affect the competitive landscape in the oil industry [1]