I'm not recommending backpacking with only a sleeping bag liner, but it is an option.

我不建议背包只有睡袋内衬，但它是一种选择。

youdao

I'm going to request you quotation for this big bag with liner and without liner, but I would like to know if this big bag have liner how many USES more can bear up than the the other without liner.

我想让你给我报价，分别报有衬垫的和无衬垫的。并且我想知道有衬垫的能比无衬垫的多用多少次？

youdao

I'm going to request you quotation for this big bag with liner and without liner, but I would like to know if this big bag have liner how many USES more can bear up than the the other without liner.

我想让你给我报价，分别报有衬垫的和无衬垫的。并且我想知道有衬垫的能比无衬垫的多用多少次？

youdao