weak base

例句：

1. 1. The company's weakbase is its inability to adapt tomarket changes.
   公司的弱点是它无法适应市场变化。
2. 2. The new policy has weakenedthe government's weak base.
   新政策削弱了政府的基础。
3. 3. The team'sweak base was exposed during the game.
   球队的弱点在比赛中暴露出来。