1.many voluntary positions require previous experiences with certain equipments, such as computers, or certain skills.
2.evenwhen you are weaning your baby, milk continues to be essential nutrient and important source of energy.
두가지 문장에 문법오류가 잇다는데 못찾겟네요 ㅠㅠ 해설 부탁드려요 ^^
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