Air transport has the distinct advantage in the terms of fast delivery and enjoy the lowest ratio of loss and damage.
在快速配送、最低的损失和破坏比例方面，航空运输具有明显优势。
2
This has led to further deterioration of the supply-demand ratio for modern passenger transport.
这导致现代客运交通供求比例的进一步下降。
3
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.