Purchasing helium may now account for half of total operating costs at some US labs, leaving little left over for researcher salaries and other expenses.
目前，许多美实验室在购买氦上的投入达总运营资金的一半，只剩很少一部分用来应付科研人员的薪水及其他支出。
Average ratio of operating expenses to total assets is 2.3%, which is quite small for Banks in Malaysia.
营业费用的平均比例总资产为2.3%，这是相当小的银行马来西亚。
Operating expenses total $206,337 for every hour the president's plane is in the air.
“空军一号”每飞行一小时，运行总成本就高达206，337美元。
Operating expenses total $206,337 for every hour the president's plane is in the air.
“空军一号”每飞行一小时，运行总成本就高达206，337美元。
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