the state or quality of being efficient

money obtained in return for labor or services

effective use of resources

साधनों का प्रभावी उपयोग

English Usage: Improving energy efficiency can lead to significant cost savings.

Hindi Usage: ऊर्जा कुशलता में सुधार करना महत्वपूर्ण लागत बचत कर सकता है।

profit from investments or business activity

लाभ

English Usage: The company's earnings from its investments were higher than expected.

Hindi Usage: कंपनी के निवेशों से कमाई अपेक्षा से अधिक थी।