This is a holdover from a time when humans' food supply was unreliable and storing energy was an advantage.

人类食物供应不足的时代，储存能量是一种生存优势，这便是那时遗留下来的问题。

The policy is partly a holdover from the early days of genetic engineering, when less was known about the process and its effects.

这项政策一定程度上是基因工程早期的遗留问题，当时人对这一过程及其影响知之甚少。

So we think of North Korea as like this last holdover of Soviet-style communism, but actually it's the last holdover of Japanese fascism.

所以为北韩就像是苏联共产主义的延续，但实际上其实是日本法西斯主义的后果。