be[remain] neutral

• 保持中心

be[remain] neutral的用法和样例：

例句

1. Feeding centers and kitchens must be well organized and kept clean.
   供给中心和厨房必须保持有序和清洁。
2. The handle centered on each side moves only that side, while the other sides remain motionless.
   位于每条边中心的控制柄只能移动这条边，其他边保持不动。