Historically, firms have found it hard to cannibalise their own products.

从历史上来看，要取代自己的产品对各公司来说是很艰难的。

Many people, even some within the company, thought this would cannibalise Amazon's own sales.

许多人，甚至是公司里的一些人，认为这是在瓜分amazon自己的销售额。

Firms may also choose to cannibalise their own products by producing marginally improved products.

各公司还可能以生产稍有改进的产品来取代他们自己的原产品。

New pictures show that polar bears are beginning to cannibalise each other as global warming destroys its hunting grounds.

最近拍摄到的照片显示，由于全球变暖导致猎食地消失，北极熊开始捕食同类。

The fish tend to cannibalise when young or die in shipping, so anyone who starts a farm needs cash, patience and a stomach for risk.

幼鱼往往互相蚕食或者在运输过程中死亡，所以无论谁想经营人工养殖场，他都需要大笔资金，耐心和应对风险的能力。