They are still creatures in the sense of created things And they are dependent on a higher power.
他们也只是被创造之物,他们依靠着一种更高的权威。
It's foreign, it's not part of the host or not a normal part of the host.
所以它成了外源物,外源物不是宿主的一部分,至少不是正常的一部分
Probably in the early days, this was largely a question of barter.
在早些时候,以物易物都是个难题
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