Discipline-is-just-choosing-between-what-you-want-now-and-what-you-want-most.(空格显示不出来,先用-代替空格)这句话是主谓宾还是主系表?choosing在这是动名词还是现在分词?后面的算是并列的宾语从句还是同位语从句?望各位老师不吝赐教