SPEND MONEYto not spend enough money or time on something, or not use enough of something, so that what you do is unsuccessful or of bad quality 舍不得花〔足够的钱或时间〕,吝啬
skimp on• There's no point in skimping onessentials such as food and heating.• Don't skimp on the cream.• A company will never get anywhere by skimping on training and technology.