美国驻尼日利亚大使馆在没有解释的情况下撤销签证,使许多旅行者处于不确定状态。 U.S. Embassy in Nigeria revoking visas without explanation, leaving many travelers in uncertainty.

美国驻尼日利亚大使馆正在悄悄地撤销尼日利亚公民的有效签证,没有解释,影响了工作、教育和家庭的旅行计划。 The U.S. Embassy in Nigeria is quietly revoking valid visas of Nigerian citizens without explanation, affecting travel plans for work, education, and family. 这一举动使包括专业人员和企业家在内的许多人陷入困境,并对缺乏透明度感到失望。 This move has left many, including professionals and entrepreneurs, in limbo and frustrated by the lack of transparency. 取消签证可能反映了对尼日利亚等高移民国家的签证申请人加强审查。 The cancellations may reflect increased scrutiny of visa applicants from high-migration countries like Nigeria.