My dad alternates between buying foreign cars and Japanese cars
My dad alternates between purchasing foreign cars and Japanese cars
言葉説明
外車--> "foreign casr"
日本車 -->"Japanese cars"
交互に--> "to alternate between"
買う-->"to buy/purchase"
お父さんが外車と日本車がすきだから、両方のタイプを買うことがすきですね。
翻訳：
「父が外車と日本車を交互に買う」
"My dad alternates between buying foreign cars and Japanese cars"
"My dad alternates between purchasing foreign cars and Japanese cars"
アメリカ合衆国 
