関連ワード:  give an example of a push and pull factor    give an example of a push factor and a pull factor for cities    give one example each of a push and pull factor in migration    give 5 examples of push and pull factors    give three examples of push and pull factors    example of a push and pull factor    give me an example of push pull factors    define and give examples of push and pull factors    what's an example of a pull factor    what is push and pull factor  
結果 : give an example of a push and pull factor