This is the 5754th most frequent Chinese word.
各行各业
"Various trades and professions."
In this sentence, '各行各业' emphasizes the diversity of professions or fields the person's friends are involved in.
他在各行各业中都有朋友。
He has friends in all kinds of professions.
Here, '各行各业' refers to the broad range of people in all kinds of occupations, illustrating inclusivity.
各行各业的人都需要不断学习。
People in all walks of life need to continually learn.
This usage highlights the overall development and prosperity within various industries or professional fields.