小二的歌
do the first "theory"and the second one have the exactly the same mean here?Thx Dude, don’t equivocate. A theory only becomes a theory after withstanding rigorous testing. do the first "theory"and the second one have the exactly the same mean here?Thx
25 Oca 2015 19:34
Yanıtlar · 2
Yes, in other words... a theory only becomes an authentic theory.
25 Ocak 2015
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