供 + 人 + 动词（仅供参考）
for (someone) to …; for (a use)
Structure
东西 ＋ 只供／仅供／供 ＋ （人） ＋ 动词（参考、使用、休息、销售、出口）
What it means
供 (gōng), 'to provide', says what something is there for: for someone to do something, or for a given use.
How it is built
Thing provided + (仅／只)供 + (person) + verb: 公园里新修了几座凉亭，供游客休息 (Pavilions were built for visitors to rest in).
When to use it
Written, often the second verb of the sentence. 仅供／只供 limit the use: 仅供参考 (for reference only), 只供出口. In speech say 给…用 or 让…: 这台电脑给大家用.
Watch out
Read gōng, not gòng (供品, offerings), and don't write 共 (together). It comes after the thing provided: ✓ 修了凉亭供游客休息.
Examples
公园里新修了几座凉亭，供游客休息。
Several new pavilions have been put up in the park for visitors to rest in.
展厅里的电脑供观众免费查询资料。
The computers in the hall are there for visitors to look things up free of charge.
这批产品只供出口，国内市场上买不到。
This batch of goods is for export only and cannot be bought at home.
Learn this in Lesson 118 · HSK 7–9: 土坑酸菜 (Exposé: the pickled-cabbage pits)
A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.
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