海运 hǎiyùn shipping by sea
How to remember 海运: 海 sea + 运 transport = shipping by sea.
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How it is used
- Means shipping by sea (freight transport) - 走海运便宜 (zǒu hǎiyùn piányi) shipping by sea is cheaper.
- Logistics term contrasting with 空运 (kōngyùn, air freight) and 陆运 (lùyùn, land transport): cheaper but slower.
- Common in e-commerce/trade: 海运需要一个月 (sea freight takes a month).