The Guardian·2026/10/30免费高阶挑战推荐指数89.52Sinkholes, scarred land and scapegoats: the scourge of illegal gold mining in Johannesburg天坑、伤痕大地与替罪羊:约翰内斯堡非法采金的祸患…
TIME·2026/11/01免费高阶挑战推荐指数82.80D.C. and Virginia Join the Fight to Block Trump’s Triumphal Arch. What Happens Next?华盛顿特区与弗吉尼亚州加入阻止特朗普凯旋门的诉讼,接下来会发生什么?…