It was too expensive, to saynothingof the time it wasted.
这太贵了，更不用说它浪费的时间了。
《牛津词典》
2
Even grown-ups can't lift it, to saynothingof children.
连大人都举不起来，更不用说孩子了。
3
Both the Romanow Commission and the Kirby committee on health care—to saynothingof reports from other experts—recommended the creation of a national drug agency.