boundary

• 共同边界

  common boundary

• 未定边界

  undelineated boundary

• 划定边界

  draw up a boundary

• 边界走向

  boundary alignment

• 边界争端

  border dispute

• 边界谈判

  border negotiations

• 边界协定

  border agreement

• 边界实际控制线

  line of actual control on the border

• 解决边界问题

  solve border disputes

• 维持边界现状

  maintain current borders

• 挑起边界事端

  incite a border incident