提供产品售前、售后技术支持。的翻译：Provide pre and post sales technical support for products. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Provide products pre and post sales technical support.

Provide pre and post sales technical support for products.

Provides the product pre-sale, the post-sale technical support.

provide the products before and after sales technical support.

Provide pre and post sales technical support for products.