Chinese phrase
订购〜 dìng gòu 〜
Meaning
place an order for ___
When to use it
It means asking a seller to provide specific goods. It is common in business and sounds more formal than simply saying buy.
Example dialogue
客户确认稿件。 kè hù què rèn gǎo jiàn
The customer has confirmed the draft.
那就 订购 宣传册。 nà jiù dìng gòu xuān chuán cè
In that case, let's place an order for the brochures.