This is the 6630th most frequent Chinese word.
有所增加
"有所增加" means "to have increased somewhat" or "to some extent."
Here, '有所增加' is used to indicate a slight or moderate increase in the workload.
最近,我的工作量有所增加。
Recently, my workload has somewhat increased.
In this sentence, '有所增加' suggests an upward change in the number of product sales.
由于市场的需求,产品销量有所增加。
Due to market demand, product sales have somewhat increased.
This use of '有所增加' conveys an improvement in speed after practice.