很简单

dá àn hěn jiǎn dān

答案很简单。

The answer is simple.

yī xiē shàn shí hěn yǒu yíng yǎng ér qiě pēng tiáo qǐ lai hěn jiǎn dān

一些膳食很有营养，而且烹调起来很简单。

Some meals are nutritious and very easy to prepare.