zero cutout

例句：

1. 1.The zero cutout in the design is very practical.
   设计中的零切出非常实用。
2. 2.The zero cutout makes it easy to clean the surface.
   零切出使得清洁表面变得容易。
3. 3. The zero cutout ensures that the product is free from any defects.
   零切出确保产品没有缺陷。