第二段前三句修改意见:
What's more, technology brings us simplicity in food need. In past, fresh food couldn't be offered in time because of the technology limitation. Hence, people could only reach a few kinds of food materials such as seasonal vegetation and domesticated animals.
第二段里后面有句话:
it would be complicated if a person who lived far away from lake or ocean wanted to eat fish because he/she might have to take a long-time vacation for that.