在學(xué)習(xí)結(jié)束時(shí),我們知道物理學(xué)的所有過(guò)去,但對(duì)現(xiàn)在和未來(lái)一無(wú)所知。
企業(yè)要主動(dòng)承擔(dān)社會(huì)責(zé)任,為員工創(chuàng)造價(jià)值,為社會(huì)貢獻(xiàn)力量。
Natural experiments are a powerful tool for understanding causal relationships in the real world.
Data-driven decisions will revolutionize how we manage livestock health and productivity.