beginnings可以是复数名词。

《韦氏高阶》

beginnings [plural]

a : an early stage or period

• I have the beginnings of a sore throat. [=my throat is starting to feel sore]

b : the origins or background of a person or thing

• He came from humble beginnings.

• the company's modest beginnings in an old warehouse

• The organization had its beginnings [=began] in a small Midwestern town.