in future:今後,從今以後 eg:"I hope they'll be more cautious in future, " he observed.他說:"我希望他們今後能更慎重一些。" 
in the future:在將來 eg:The boy wants to become a philosopher in the future.這個男孩想在將來成爲一名哲學家。
in future:今後,從今以後 eg:"I hope they'll be more cautious in future, " he observed.他說:"我希望他們今後能更慎重一些。" 
in the future:在將來 eg:The boy wants to become a philosopher in the future.這個男孩想在將來成爲一名哲學家。