coal merchant

例句：

1. 1. Heis a coal merchant who deals in bulkcoal.
   他是一个从事大宗煤炭交易的煤炭商人。
2. 2. The coal merchants are responsible fortransporting the coal from mines toports.
   煤炭商人负责将煤炭从矿井运送到港口。
3. 3. The coal merchantshave been facing increasing competition from natural gasand renewable energy sources.
   煤炭商人面临着来自天然气和可再生能源源日益增加的竞争压力。