Why did the chinese fail to foresee the threat that european expansion would pose for the rest of asia and finally for china itself?

The Chinese failed to foresee that the European expansion would rival their rise because the Chinese did not see the importance of voyages across oceans. The Europeans were out to discover new lands, resources and colonies. The Chinese were thinking about how to bring together their nomads.

Dis an orderly way to conduct research 

Yo idk the answer so here i am