1.Space enthusiasts will soon have the chance to purchase a piece of space exploration history.
space exploration 太空探索
This is some information on the space exploration from the past, present, and future.
这是一些关于过去,现在和未来对太空探索的资料。
2.He did save all the items, so he obviously felt they were worth saving.
be worth doing 值得做
This idea is well worth considering.
这个想法很值得考虑。











