美国公民请注意：你是否已注册智行者登记计划（STEP）？注册以在国外接收重要的安全和保障信息，包括健康警报。你可以在这里注册：https://step.state.gov/step/
Attention U.S. Citizens: Have you registered with the Smart Traveler Enrollment Program (STEP)? Sign up to receive important safety and security information while abroad, including health alerts. You can register here:https://step.state.gov/step/
出处：美国驻华大使馆（官方微信号：USEmbassyChina）
看你们一个个的马甲穿得那么权威…… 有我权威吗？
