（买卖）合算／不合算
to be worth/not be worth the price
This jacket is a really good buy, at £200. 这件夹克真合算，才200英镑。
A classic blue blazer is always a good buy as it never goes out of fashion.
Linen and cotton goods are generally a good buy, but avoid the fake labels as the quality is usually fairly poor.
Remember that you're paying for quality and that's never a bad buy.
My first house was a bad buy in every respect.
In your opinion, which of these shares is the better buy?
See also: buy noun