Sent_en: 2zh The determining factor may be the popular former president Jean-Bertrand Aristide, who returned two days ago to Haiti from South America after seven years in exile.
Sent_yy: 扮演关键角色的可能是受欢迎的前总统让·贝特朗·阿里斯蒂德，他在两天前从流亡了七年的南美洲返回海地。