Can only trim single curve at this time. Can only trim single first bounding curve at this time. Can only trim single second bounding curve at this time.

• 这些出错消息反映了草图生成器中的当前限制，即如果选择了非关联的选项，那么一次只能修剪一条曲线。这包括边界曲线和要修剪曲线的线串。