"Back and forth" is the more correct idiom, because, well, that's the idiom. There's nothing to stop you from saying "forth and back" — a ... ... <看更多>

Use the "Ctrl"-"Shift"-"-" to move forward after you have used "Ctrl ... ... <看更多>

【片語好好玩】back and forth 來回、反覆back 是「後」，forth 是「前」，後與前，就是不斷的往復、重覆做一件事。 例如：We went back and forth to edit his copy. ... <看更多>