mei曲线什么意思:p___some but not aii of a thing or a number of things

p___some but not aii of a thing or a number of things last but not least not noly...but also not only...but also not only but also not```but``是什么意思 英语题！not difficult,but not easy! NOT only...but also 、not only...but as well 关于not only,but also 关于not only...but also...