Learning about John's opium addiction was a real eye-opener for me.

对约翰的鸦片瘾的了解，令我很大开眼界。

youdao

The British had to bring Opium to China because their gold and silver was being depleted importing silk, porcelain etc. which resulted to drug addiction of the Chinese.

正因为英国人的金银都在从中国大量进口丝绸和瓷器时花光了，他们才不得不向中国输出鸦片来使中国人染上烟瘾。

youdao

Recognizing the dual nature of opium in particular their medicinal value and the special nature of addiction will help us understand why the opium trade has enabled China to fall into decay.

认识鸦片的双重属性，特别是因其药用价值和使人上瘾的特殊性，将有助于我们理解鸦片贸易曾使中国近代走向衰弱的原因。

youdao

Cutting off funding to the Taliban has been the second major justification for opium suppression efforts by the U.S. in Afghanistan, next to combating heroin addiction and consumption.

FORBES: When The U.S. Cracks Down On Afghan Heroin, It Aids The Taliban

Until recently, drug addiction in Vietnam was usually associated with ethnic minorities in the highlands, who have been traditional smokers of opium and have long cultivated it as an important cash crop.

CNN: From Traffickers to Users