it's not rocket science

含义

it is easy to understand or do

很容易理解或做到.

例句

1. 1Changing a tyre looks scary, but it's not rocket science once someone shows you how.
2. 2It's not rocket science: water the plants twice a week and keep them near a window.
3. 3Just follow the recipe step by step – it's not rocket science, and the cake will be fine.
4. 4Why pay someone to set up your printer when it's not rocket science?
5. 5Tom thinks tax forms are too hard for him, but it's not rocket science if you read the notes.

语法

固定分句，通常用 it's not 或 it isn't。rocket science 不变。

意思相近