吃透英语课本，提升在校竞争力
n. 无；零
All your code is for naught if users can't hop online and buy items from their favorite vendor or find out how much the newest abstract watercolor from their local gallery costs.
如果用户无法上线、无法从他们喜爱的厂商那里购买商品、无法在当地美术馆中找到最新抽象水彩画的价格，那么您的所有代码都等于零。
His efforts came to naught.
他的努力最终化为乌有。
All his efforts were for naught.
他所有的努力都白费了。
come to naught
失败
adj.无价值的；无用的
useless
unnecessary
worthless
n.[数]零；无价值
nothing
nought
