YOU SAID:
humans got along plenty fine without plastic for quite some time
INTO JAPANESE
人類はかなり長い間プラスチックなしでうまくやっていた
BACK INTO ENGLISH
Humanity has been doing well without plastic for quite some time.
INTO JAPANESE
人類はかなり長い間、プラスチックなしでうまくやってこられました。
BACK INTO ENGLISH
Humanity has managed to get by without plastic for quite some time.
INTO JAPANESE
人類はかなり長い間、プラスチックなしでなんとかやってこれてきました。
BACK INTO ENGLISH
Humanity has managed to do without plastic for quite some time.
INTO JAPANESE
人類はかなり長い間プラスチックを使わずに生きてきました。
BACK INTO ENGLISH
Humanity has been able to live without plastic for quite some time.
INTO JAPANESE
人類はかなり長い間、プラスチックなしで生活することができました。
BACK INTO ENGLISH
Humanity has been able to live without plastic for quite some time.
Well done, yes, well done!