It is which group is to have the first move that they will discuss tomorrow. 他们明天所要讨论的问题是：哪一组先开个头。
A chess piece of lowest value that may move forward one square at a time or two squares in the first move, capture other pieces only on a one-space diagonal forward move, and be promoted to any piece other than a king upon reaching the eighth rank. 兵，小卒价值最小的棋子，一次可向前移一方格或在第一步可移两格，只能吃对方靠对角线前方的一个子，当到达第八级时可升为除王以外的任何一棋子
