to buy and sell a particular product or type of goods
买卖特定产品或类型的商品 (mǎimài tèdìng chǎnpǐn huò lèixíng de shāngpǐn)
"He deals in antique furniture."
"他经营古董家具。" (tā jīngyíng gǔdǒng jiājù)
to clean the floor by brushing dirt together
to change someone’s opinion to match yours
to be more advanced or prepared than others
to cause activity or energy to increase
to show support or enthusiasm for someone or something
to search or explore for something nearby
