也许西门子面临的最艰苦的战斗就是卫生保健行业市场占有率的争夺战，该行业占公司收入的约五分之一，利润的六分之一。

It may be that Siemens faces its hardest battle for market share in health care, which accounts for about one-sixth of its revenue and one-fifth of its profit.

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我们必须采取积极有效的措施以在日趋激烈的能源争夺战中占主动地位。

We must take active and efficient measures to take an advantageous position in the fierce energy war.

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在二战后的大部分时期，企业利润占gdp的比例一直在15%至17%的范围内波动。

For much of the post-war period, profits fluctuated in a range of 15-17 per cent of GDP.

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