She Xiao Jiu Da
Keywords: Strategy
5. She Xiao Jiu Da? (舍小就大) - Abandon small to save big - Translation link
See also sacrifice plums for peaches.
Examples
How to handle this situation. Is it correct to answer by saving meagre 2 stones (having not much of a function, except being ballast) ?
After all, Black vastly expands _his_ moyo!
Answer: No!