圖像來源，BBC News Chinese
// 对start, start+gap, start+2gap, ... 这组进行插入排序，详情可参考Line官方版本下载
Households on a default dual-fuel tariff in Great Britain could cut costs by moving to a fixed deal。业内人士推荐WPS官方版本下载作为进阶阅读
FT Edit: Access on iOS and web
一点点回应“帮扶家庭不够困难”质疑
· 郭瑞 · 来源：tutorial资讯