expression
kill two birds with one stone
A yojijukugo meaning to achieve two things with a single action. Used in the same way as the English proverb.
ジョギングで通勤すれば、健康にもなれるし交通費も節約できて一石二鳥だ。
Commuting by jogging kills two birds with one stone: you get healthy and save on transportation costs.
A yojijukugo derived from the English proverb 'kill two birds with one stone', which itself has ancient origins. The Japanese form is a direct translation.