스팸 게시물이 확대 생성되는 것을 방지하기 위하여 문구 및 사용 제한기간을 How long are TOEFL and IELTS valid? I took the TOEFL/IELTS greater than two yrs in the past. Do I must take an exam all over again? Will my scores be viewed as Formal if they expire following December 31? 公司正式注册后，特加商�