1、The company has been criticized for producing a lot of vaporware, making promises that they never deliver on.
这家公司因为生产很多空头承诺，许诺但从未兑现而受到了批评。
2、The hype surrounding the new smartphone turned out to be vaporware, as the product was never actually released.
围绕这款新智能手机的炒作最后证明是空头承诺，因为这款产品实际上从未发布。