sliced bread

US /ˌslaɪst ˈbred/
UK /ˌslaɪst ˈbred/
"sliced bread" picture
1.

切片面包, 吐司

bread that has been cut into slices, typically by a machine, before being packaged

:
She bought a loaf of sliced bread for sandwiches.
她买了一条切片面包做三明治。
Toast is often made from sliced bread.
吐司通常是用切片面包做的。
2.

最好的东西, 了不起的发明

used to refer to something that is considered to be an excellent invention or idea

:
This new app is the best thing since sliced bread.
这个新应用是自切片面包以来最好的东西。
He thinks his idea is the best thing since sliced bread.
他认为他的想法是自切片面包以来最好的东西。