而且，国际竞争加剧了对税收水平以及分担社会保险费用对劳动力成本影响的担心。
And international competition promotes concern about both levels of taxation and the effect of social insurance contributions on Labour costs.
与此同时，知识经济的到来、国际竞争的加剧以及世界环保的压力又对煤炭企业提出了更高的要求。
In the meantime, the arrival of knowledge economy and the more tense international competition have put higher demand before coal industry.
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