In most Third World cities, the low income level forbids a high car ownership ratio and, thus, the alternative to non-motorized modes is public transport.
在大多数第三世界城市中，低收入水平阻止了小汽车的高拥有率，使得公共交通成为非机动交通方式的替代。
On the non-public ownership in the form of forestry products, features and functions.
阐述了非公有制商品林业的形式、特点和作用。
On the non-public ownership in the form of forestry products, features and functions.
阐述了非公有制商品林业的形式、特点和作用。
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