Clues
来自Big Physics
late Middle English: variant of clew. The original sense was ‘a ball of thread’; hence one used to guide a person out of a labyrinth. clue (sense 1 of the noun) dates from the early 17th century.
late Middle English: variant of clew. The original sense was ‘a ball of thread’; hence one used to guide a person out of a labyrinth. clue (sense 1 of the noun) dates from the early 17th century.