But my own 【worry】 today 【is】【 less】 that of the overwhelming problem of N 【than】 it is of the slightly more luxurious agony of the decline in M even of the educated teenagers
【】标注的是主干结构.
翻译:我如今对不可抗拒的问题N的担忧,要少于有点奢华烦恼的问题M,甚至还比不上接受教育的青少年.
如果有上下文,能翻译的更得心应手.