the least effort principle省力原则
theory of least effort省力理论
Principle of least effort省力法则;最省力原则;省力原则;最小努力原则
least effort principle最省力原则;最小努力原则
without the least effort不费吹灰之力
Rule of Least Effort最省力原则
the theory of least effort简约原则
the principle of least effort省力原则;最小努力原则;最省力法则