N 开头单词
not to order chouse [经济学]不可转让条款
not to mention 更不必说；不必提及
not to lag behind 不落人后
not to hesitate to 在所不惜
not to be neglected 不可忽视（neglected是neglect的过去分词）
not to be laid flat 切勿平放
not to be ashamed of 不以为耻
not to be 不；不是
not tire of 不厌
not think much of vt. 不认为...好
not the whole story 不是全部情况