Companies strive to outperform rivals and grab a bigger share of existing demand.

公司努力超越对手，抢占现有需求的更大份额。

The smaller companies want a bigger share of the pie.

【pie】那些较小的公司想分到更大的一杯羹。

They were chosen because they account for a big share of Medicare spending and do not face competition in the market.

拜登政府之所以选择这些处方药，是因为它们在医保支出中所占份额很大，而且也没有面临市场竞争。

In other countries, like America or Canada, a bigger share of mortgages are set at fixed rates.

在其他国家，如美国或加拿大，更大比例的抵押贷款被设定为固定利率。

South Australia has suffered the greatest pain: in no other state does manufacturing account for such a big share of the economy.

南澳州是制造业占经济比重最大的一个州。