翻译：Itisnousetellinggrown-upchildrennottomakemistakes,bothbecausetheywillnotbelieveyou,andbecausemistakesareanessentialpartofeducation.
Theothertimingsystembelongsinourinternalclocks，which，left________，wouldtiethebodytoa25-hourrhythm.
TheeffectofDarwinistideaof“survivalofthefittest”wasshatteringin()’sfictionalworldofjungle,where“killortobekilled”wasthelaw.