a product or service that consistently generates a lot of money
一种持续带来大量收入的产品或服务 (yi zhong chi xu dai lai da liang shou ru de chan pin huo fu wu)
"Their mobile app has become a cash cow for the company."
"他们的移动应用程序已成为公司的摇钱树。" (ta men de yi dong ying yong cheng xu yi cheng wei gong si de yao qian shu)
to slowly become less close or connected over time
to use something as a resource
to set very high goals
you can’t achieve anything if you don’t take risks
To be safe from danger or difficulty.
to stay brave and strong in difficult situations
