A panacea; a perfect remedy; a comprehensive and highly effective solution or method that offers great benefits.
这个新的学习计划结合了多种高效方法，真是个十全大补的方案，能全面提升学生的学习效果。
This new study plan combines various highly effective methods, truly a comprehensive and highly beneficial solution that can fully enhance students' learning outcomes.
Era:
Early Modern
Frequency:
Next Idiom