a frugal lunch

• 便宜的午餐

a frugal lunch的用法和样例：

例句

1. I am afraid we only serve lunch until 3 p.m.
   我们的午餐只供应到下午三点钟。
2. This lengthy lunch can last up to four hours!
   这顿漫长的午餐可以持续到四个小时之久呢！