贱买贵卖 Buy low, sell high
Explanation
指低价买进，高价卖出，从中获取利润。
Refers to buying at a low price and selling at a high price to obtain profit.
Origin Story
老张是个精明的商人，他常年在外收购各种货物。有一次，他听说北方大旱，粮食价格飞涨，便立刻动身前往，低价收购了大量的粮食。等到南方水灾过后，他再高价卖出，赚得盆满钵满。老张的成功，正是因为他的“贱买贵卖”之道。他不仅了解市场行情，而且敢于冒险，抓住机遇，最终获得丰厚利润。他常说：“做生意要眼观六路，耳听八方，才能抓住机会，赚到钱。”
Old Zhang was a shrewd businessman who traveled extensively to purchase various goods. Once, he heard that there was a severe drought in the north, causing a surge in grain prices. He immediately set off, purchasing a large amount of grain at low prices. After the flood in the south subsided, he sold it at a high price, making a fortune. Old Zhang's success is attributable to his strategy of "buying low and selling high." He not only understood market trends but also dared to take risks and seize opportunities, ultimately achieving substantial profits. He often said, "To succeed in business, one must keep their eyes and ears open to seize opportunities and make money."
Usage
常用作宾语、定语；形容经商获利。
Often used as an object or attribute; describes making profit in business.
Examples
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他靠着贱买贵卖，赚了不少钱。
tā kào zhe jiàn mǎi guì mài, zhuàn le bù shǎo qián.
He made a lot of money by buying low and selling high.
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这家商店以贱买贵卖的方式经营，利润很高。
zhè jiā shāngdiàn yǐ jiàn mǎi guì mài de fāngshì jīngyíng, lìrùn hěn gāo
This shop operates by buying low and selling high, and its profits are very high..