how large is large? how big is big?

"Large" and" Big"
they have same meaning in Chinese as 大
but how exactly to tell the differences between them
To answer the question, i've checked the VLC Concordancer & NTNU Web Concordancer to find out the discrepancy.


1.ve been just another statistic in a big city or on a motorway devastated t
2.taphorical pinny, looking after the big house and garden, the laundry,six

1.ishes in Tehran and more in other large cities. Some three million people ar
2.s full salary. {para} He lives in a large house in central Beijing, which is

* In the examples above, we can tell that both of them can be used in describing the size of an object or the measure or scale or an area.


1. do that on a teacher-training course by having a large amount of group activity, a large amount of stud
2. A spokesman for the board said a large number of employees in the clothing

* We usually use "large" to describe quantity like "amount" or "number".
I could not find such usage when checking the examples of "big"