Why don't we/Let's go shopping in Donki(Don Quijote) nearby?
How about going shopping in Donki(Don Quijote) nearby?
Why don't we/Let's go shopping in Donki(Don Quijote) nearby?
How about going shopping in Donki(Don Quijote) nearby?
いずれも提案の表現で、「近くのドンキに買いだしに行くのはどう?」となります。
Why don't we-?
Let's-?
How about-?
How aboutの後ろは名詞や動名詞(すること)になるので注意!
例)
How about a walk?
How about taking a break?