1)non heritable variation,不遗传变异2)nonhereditary variation,不遗传变异3)nonheritable variation,不遗传变异4)non hereditary variation,不遗传变异5)non hereditary variability,不遗传变异性6)nonhereditary variability,不遗传变异性不遗传变Ｐ7)spare no effort,不遗余力8)spare no pains,不遗余力9)spare no effort;go all out;do one's best,不遗余力10)spare no effort spare no pains,不遗余力