1. Immaturity is the inability to use one's understanding without guidance from another. 不成熟就是不经他人的指引就无法运用自身的理解力。
2. Politics is usually the executive expression of human immaturity. ——Brittain Vera, American writer. 政治通常是人类不成熟的表现行为。——美国作家薇拉。B。
3. However, up to now, for the immaturity of transplant machine, transplant works are almost done by manpower, and limit this technology popularizing and applying to wide area crop. 然而，到目前为止，由于移栽机械的不成熟，现在育苗移栽仍以人工为主，限制了移栽技术在大田作物上的推广和应用。
