關於「ELS language Centers」標籤，搜尋引擎有相關的訊息討論：

ELS Language Centerswww.els.eduELS | Destinations - ELS Language Centerswww.els.edu › destinationsELS Educational Services, Inc | LinkedInwww.linkedin.com › company › els-educational-services-incAdvantages of ELS Language Centers | ESLDirectorywww.esldirectory.com › choosing-yo