They were given a choice of handing in the first survey either nearby or at a more distant place they had to walk to.
他们上交第一次调查必需停止一个选择，要么到近的中央要么到更远的中央。
They were given a choice of handing in the first survey either nearby or at a more distant place they had to walk to.
他们上交第一次调查必需停止一个选择，要么到近的中央要么到更远的中央。
应用推荐