center of twist

例句：

1. 1. The center of the city is bustling with activity.
   市中心熙熙攘攘，充满活力。
2. 2. The center of the debate was the issue of funding.
   辩论的中心议题是资金问题。
3. 3. The center of the table is where we will sit.
   桌子的中心是我们坐的地方。