The list contained many items, large and small, totaling tens of thousands, and when printed out, it was nearly as thick as a comprehensive encyclopedia. Some were technologies that humans themselves had discarded, while others came with the Universal Factory, in any case, they were junk produced by other civilizations; selling them to the Taipu people at a lower price wasn't a bad idea.
And the main purpose of assessing the other side's technological level was to create this series of trading tables.
According to the interstellar trading convention, the value index of the same technology varied greatly for civilizations of different levels. The same airplanes and rockets would definitely be priced higher if the civilization did not possess them.
As for human diplomatic concept, it was "fair trade, limited assistance", the other party would get what was proportional to what they gave; if they found this unfair, they could simply walk away.
