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1·The computer was my largest single item of expenditure.

电脑是我花钱最多的一件东西。《牛津词典》

2·They raise a requirement, if I fill in correctly, give the information that registers time, can help me open proof of date of enter an item of expenditure in the accounts.

他们提出一个条件，假如我能正确地填写出注册时候的信息，就能帮我开出账号证实。

3·The strategy of those funding research to accept publishing costs as a fixed item of research expenditure mitigates this problem.

研究资助者提出的策略，是把出版费用视为研究费用的固定项目，有效地纾解此问题。