If you describe someone as, for example, a budding businessman or a budding artist, you mean that they are starting to succeed or become interested in business or art.
The forum is now open to all budding entrepreneurs.
该论坛现在向所有崭露头角的企业家开放。
You use budding to describe a situation that is just beginning.
Our budding romance was over.
我们刚刚萌发的浪漫爱情结束了。