1 & x_2 & x_2^2 & \dots & x_2^n\\
南方人物周刊：看你在书里提到，来北京的头三年，是很辛苦的一段时光。
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There are fears rising prices could have a similar impact to Russia's full-scale invasion of Ukraine four years ago which pushed up the cost of energy, causing prices rises for businesses and consumers around the world.