come along come along /kʌm əˈlɔːŋ/

verb

1. () Come into being or existence, or appear on the scene  ( appear , come along )
   come into being or existence, or appear on the scene
    Then the computer came along and changed our lives
   Then the computer came along and changed our lives
    Homo sapiens appeared millions of years ago
   Homo sapiens appeared millions of years ago
   
2. () Develop in a positive way  ( get along , shape up , get on , advance , come along , come on , progress )
   develop in a positive way
    He progressed well in school
   He progressed well in school
    My plants are coming along
   My plants are coming along
    Plans are shaping up
   Plans are shaping up