自然

nature / natural / naturally

self / oneself / from / since / naturally / surely

correct / right / so / thus / like this / -ly

nature (the natural world)

to let things take their course (idiom) / to leave it to nature / laissez-faire

Yitong nature reserve in Yitong Manchurian autonomous county 伊通滿族自治縣|伊通满族自治县, Siping, Jilin

effort will undoubtedly lead to success (idiom)

a calm heart keeps you cool (idiom)

Lhalu Wetland National Nature Reserve in Lhasa

habit becomes nature (idiom); get used to something and it seems inevitable / second nature

habit becomes nature (idiom); get used to something and it seems inevitable / second nature / same as 習慣成自然|习惯成自然

habit becomes nature (idiom); get used to something and it seems inevitable / second nature / same as 習慣成自然|习惯成自然

to let things take their course / to take things as they come

Wolong National Nature Reserve in Wenchuan county, northwest Sichuan, home of the giant panda 大熊貓|大熊猫[da4 xiong2 mao1]

unnatural / artificial

World Wildlife Fund WWF