Those who chase two rabbits at once will inevitably end up with nothing.
同时追逐两只兔子的人，最终往往一无所获。
该句使用定语从句结构表达专注与结果之间的因果关系。
"I have no time to observe these conflicts and sorrows."
"Do not dwell on what society does to you, but focus on what you do."
"We carefully selected and played with them."
"Dwelling on fruitless matters only leads to exhaustion."
"Walk your own path without looking around or looking back; keep moving forward."