N:45-Unit 8.3: COMMON COSTS الدرس رقم 45 : الوحدة 8.3 التكاليف المشتركة اضف رد لتحميل الدرس من المرفقات :k012:

Slow dialogue: 1:27 Explanations: 3:20 Fast dialogue: 17:04 Ben: Why are you squinting like that? Lauren: I left my glasses at the office. Ben: You mean you can’t see?! Lauren: I can see pretty well. What was that yellow sign we just passed? Ben: It said, “Dead End.” Stop! Turn...