이용 using something to take advantage of;utilize;to use in a way brings you benefit 사용 use something properly as it was designed to be;with own purpose
it's subtle difference but for certain things like this feel unnatural: 지하철을 사용하다 어른께 존댓말을 이용하다 but also sometimes there are some sentences feel natural to use both: 도구를 이용하다/사용하다 컵을 사용하신 뒤에는 반납해주세요/컵을 이용하신 뒤에는 반납해주세요
The Language Level symbol shows a user's proficiency in the languages they're interested in. Setting your Language Level helps other users provide you with answers that aren't too complex or too simple.
Has difficulty understanding even short answers in this language.
Can ask simple questions and can understand simple answers.
Can ask all types of general questions and can understand longer answers.
Can understand long, complex answers.
This answer was given within 60 minutes of the question being posted.
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