They have to contend with pork that is sometimes injected with water to make it heavier or, worse still, with poisonous chemicals to make the meat less fatty.

• 有时他们还不得不堤防那些卖家为了增加重量往猪肉里注水，或者更恶劣的是，为了减少猪肉中的肥肉而注射了有毒化学品。