当前的航运市场面临着一场浩劫，其原因主要有两个。
The catastrophe facing the shipping industry has been caused by two reasons.
其原因主要有责任主体、人口结构、财务机制、医疗递送等因素。
The reasons lie mainly in the population structure, the financial mechanism, the medical transmission, etc.
在法国，从事农业的村庄数量越来越少，其原因主要有农业机械化，城市里有更多工作机会，以及其他因素。
The number of French farming villages has dwindled, a consequence of mechanization, increasing job opportunities in cities, and other factors.
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