referring to the action of buying and selling goods and services

a particular type of business or a skilled job

कौशल

English Usage: He learned the trade of carpentry from his father.

Hindi Usage: उसने अपने पिता से बढ़ईगीरी का कौशल सीखा।

the cost incurred in doing something

a reduction in one's wealth or resources

हानि

English Usage: He considered the loss a necessary expense for his business.

Hindi Usage: उसने हानि को अपने व्यापार के लिए एक आवश्यक खर्च माना।