bootless
adj. 无用的;无益的;无利可图的;没穿鞋的
例句
That effort will be bootless.
那种努力将是无益的。
And abaft every bootless man, there are two.
每个不胜利男人的背地,都有两个。
In the absence of exact data, these discussions are bootless.
由于缺乏确切的资料,这些讨论是徒劳的。