What does it mean if duckweed drifts all her life?

I have no fixed place all my life, wandering around like duckweed. According to the relevant information of the query sentence, if duckweed drifts all his life, it means that he has no fixed place all his life and drifts around like duckweed. Life is like duckweed, and there are things to go every day. Looking back, how long can life go? Wandering, people should entertain themselves. Jianghu and Fujian and Zhejiang need a square pot. The curtains are hard to say, and there is nothing to worry about when they are opened.