F-1 OPT：完成学业后最多12个月的实习工作许可

F-1 OPT: Up to 12 Months Post-Completion Practical Training

F-1学生可申请最多12个月的选择性实习训练（OPT）工作许可，可在完成学业前和/或后使用，工作须与所学专业直接相关。申请人需在指定学校官员（DSO）推荐下递交I-765表。

F-1 students may apply for up to 12 months of Optional Practical Training (OPT) employment authorization, used pre- and/or post-completion, in a field directly related to their major. Applicants file Form I-765 with a DSO recommendation.