packless

例句：

1. 1. The package arrived without any damage, making it a packless delivery.
   这个包裹到达时完好无损，是一个无包装的配送。
2. 2. She packed her bags with only the essentials, leaving nothing behind but her clothes and toiletries.
   她只带必需品打包行李，除了衣服和洗漱用品外什么都不带。
3. 3. The company is known for its unpackless shipping method, which saves customers time and effort.
   该公司以无包装发货而闻名，为客户节省了时间和努力。