1
a trader in sth
常用于指特定商品的交易商。
He is a trader in precious metals.
他是一位贵金属交易商。
交易者；交易员
先理解核心含义，再看它在真实句子里的用法。
交易者；交易员
a person whose job is buying and selling goods or securities
He is a trader in precious metals.
他是一位贵金属交易商。
常指金融市场中买卖证券的人，也可指买卖商品者
One who earns a living by trading goods or securities.
购买并维持待售商品库存的人
someone who purchases and maintains an inventory of goods to be sold
The trader sold all her shares before the market closed.
交易员在收市前卖掉了她所有的股票。
The fruit trader sets up his stall at the market every morning.
这位水果商贩每天早晨在市场摆摊。
Local traders are worried about the new supermarket opening nearby.
当地商贩担心附近新开的大型超市。
常用于指特定商品的交易商。
He is a trader in precious metals.
他是一位贵金属交易商。
与'in sth'用法相似，但更强调交易物品的所有权转移。
She is a trader of antique furniture.
她是一名古董家具商人。
强调交易发生的场所或机构。
The trader at the stock exchange made a fortune.
证券交易所的交易员赚了一大笔钱。
Not this
He is trader.
Use this
He is a trader.
trader是可数名词，单数形式前需要加冠词，如'a'或'the'。
Not this
He traders stocks.
Use this
He trades stocks.
trader是名词，不能用作动词。表示‘交易’应使用动词trade。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
日内交易员
A day trader buys and sells stocks within the same trading day.
日内交易员在同一个交易日买卖股票。
股票交易员
The stock trader monitored the market closely.
股票交易员密切监控市场。
商品交易员
A commodities trader deals in oil, gold, and agricultural products.
商品交易员从事石油、黄金和农产品的交易。
外汇交易员
The foreign exchange trader predicted a rise in the euro.
外汇交易员预测欧元将上涨。
交易员的利润
The trader's profit depends on market volatility.
交易员的利润取决于市场波动性。
Use trader naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想'trade'（贸易）+ 'r'（人），做贸易的人即商人。
neutral; 商业交易
Words like maker, baker, grader, raider share the same stressed vowel /eɪ/ and ending /ər/ as trader, so they rhyme. Reader shares the spelling ending -er but has a different vowel /iː/, so it is a lookalike that does not rhyme.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.