Only wholesale, not retail.

只批发，不零售。

youdao

They are only doing what is necessary to prevent wholesale destruction of vegetation.

他们只是在做为防止植被遭大规模破坏而必须做的事情。

《柯林斯英汉双解大词典》

Only the strongest banks have access to wholesale markets, and at high cost.

只有实力最雄厚的银行才能进入批发市场而且成本很高。

youdao

Previously, retailers such as Wal-Mart were permitted to establish only wholesale joint ventures.

WSJ: Hurdles Slow India Retail Plan

It is mainly in rural areas where BT is the only provider of wholesale broadband services.

BBC: Rural UK could get cheaper broadband under Ofcom plans

Iphonesimfree.com is a wholesale only company.

ENGADGET: iPhoneSIMfree begins fulfilling bulk orders, apparently will not unlock end users' phones