一、例句
There is no going back to the age when large objects were complex and small objects were simple. (选自 The Laws of Simplicity)
二、句子解析
参考译文：再也回不到那个大的物体复杂，小的物体简单的时代了。
这句话选自美国设计师、技术专家 John Maeda 的 The Laws of Simplicity 一书。
当我们想表达“再也回不到......“或“过去......的时代早已不复存在了”时，就可以使用“There is no going back to {X}.”这个地道、好用的句式。
其中，1）X 是名词；2）句中的 no 不可以替换成 not。
三、句式临摹
临摹句子：
There is no going back to the age when large objects were complex and small objects were simple.
提炼句式：
There is no going back to {X}.
注意：
1）X 是名词；
2）句中的 no 不可以替换成 not。
造句示范：
a) 场景：再也回不到新冠疫情前我们熟悉的那个世界了。
There is no going back to {the pre-covid-19 world}.
There is no going back to {the world before covid-19}.
b) 场景：由俭入奢易，由奢入俭难。
Once people are used to an extravagant lifestyle, there is no going back to {a frugal one}.
四、作业
四、作
参考第三部分的句式造句，造句时尽量用中文写出具体的语境。
