Fortunately, even if you know nothing about business, you can begin with a dream, a castle in the air, and then build a foundation under it.
幸运的是，即使你对商业一无所知，你也可以上路，带着梦想，带着你的空中楼阁，但接下来请为它打下根基。But your last quotation still seemed like an air castle which made me failed to reach for.
只是你们上次的报价还是象空中楼阁一样让我可望而不可及。If you think augmented reality is just a bunch of hype with no usable applications as of yet, think again.
如果你还认为增强现实（augmentedreality）技术目前只是空中楼阁，那么你最好还是改变的这个看法。To think of anything in religion, or to pretend to real holiness, without totally dying to this old man, is building castles in the air.
想想若这此宗教上的事物和一切真圣洁的意义，若没有完全治死老我，岂不是空中楼阁！Mr. Collins was sure neither sensible nor agreeable ; his society was irksome , and his attachment to her must be imaginary .
柯林斯先生固然既不通情达理，又不讨人喜欢，同他相处实在是件讨厌的事，他对她的爱也一定是空中楼阁。Don't trust him any more , he is always living in a castle in Spain as a daydreamer .
别再相信他了，他是个一直住在空中楼阁里的空想家。But most business-minded observers think such plans fanciful, like the models of Juba skyscrapers in government offices.
但是最具经营头脑的观察家认为，这些计划又如空中楼阁，又如政府办公楼里摆放的一些朱巴摩天大厦的模型。Love live alone and sweet whispers of love is not enough, love is not the castles in the air, the emotional needs of bread.
爱情的存活单靠卿卿我我的甜蜜是远远不够的，爱情不是空中楼阁，情感也需要面包。With any business cycle it's going to be evolutionary, but there is seldom excess with a total lack of fundamentals.
任何商业行为都会不断演化，但没有一个行业是建立在空中楼阁的基础上的。