expense

n.花费；(pl.)费用

expectant mother, expectantly, expectation, expectation of life, expected, expectorant, expectorate, expedience, expediency, expedient, expediently, expedite, expedition, expeditionary, expeditious, expeditiously, expel, expend, expendable, expenditure, expense account, expensive, expensively, experience, experienced, experiential, experiment, experimental, experimentally, experimentation, expert, expert cook, expertise, expertly, expertness, expiate, expiation, expiration, expire, expiry,