IN TRIPLICATE与THREE COPIES/THREE FOLDS有什么区别

after three days 与in three days有什么区别? in three days与in three-day time有什么区别 three days later和in three days 有什么区别? BENEFICIARY'S CERTIFICATE IN TWO COPIES STATING THAT THREE S the three of us与three of us 有什么区别? 汉译英：三整天（ ）.the whole three days与three whole days 有什么区别? two out of three 与two of three有什么区别? three fifths与three-fifths有区别么? three days later 的意思和用法、 与 in three days 的区别.three days ago the three of 和 three of 有什么区别? three-day和three day有什么区别 three-year-old 和 three years old 有什么区别