fixed supply meaning in English

定量供应

These “ positional goods ” , as they are called , are in fixed supply : you can enjoy them only if others do not
所谓的“地位性商品”都是限量供应的，在别人得不到的情况下才是一种享受。
These include the fixed supply of natural resources , and the possible negative effects of industry on the natural environment
这其中包括有限的自然资源供应和工业对环境造成的消极影响。
These “ positional goods ” , as they are called , are in fixed supply : you can enjoy them only if others do not
这些“位置商品” ，就象它们的称呼一样，供给是固定的：只有在别人不能享受时你才能享受它。