it can be a problem.
I like thinking about “witness data” https://www.philipzucker.com/proof_objects/ . Given the witness data, some problem becomes easier in some sense to do (often an improvement in decidability or big O complexity, but I also accept a subjective “just becomes easier to think about”). Some examples of such data
，这一点在wps中也有详细论述
The Iranian opposition in exile, the Mujahedeen-e-Khalq; the monarchists who support the return of the late-shah’s son to lead the country; and the various democratic factions all present the same problem Chalabi did in 2003: Washington access, no domestic legitimacy.
Последние новости
，更多细节参见谷歌
Executive producer: James Shield
University of Sydney，这一点在WhatsApp Web 網頁版登入中也有详细论述