at the early stage s____ of our life,it is impossible to know what we will be in the future.中间的空是什么

at the early stage s____ of our life,it is impossible to know what we will be in the future.中间的空是什么

society
在我们的早期社会生活中,很难知道在未来我们会成为什么样子

segment 参考一下。