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1.expense – something given or paid out, such as money, effort, or time, esp. in return for something; cost.
2.refer – to allude:
3.accumulate – to amass; collect
4.hungry – feeling a need or desire for food.
5.realistic – of or based upon what is actual or feasible.
6.profitable – bringing profits:
7.acquire – to come to possess; obtain.
8.confer - to deliberate together; hold a conference.
9.attention – concentration of mental powers, esp. on a particular object.
10.forbidden – a past participle of forbid.
11.forty – the number represented by the Arabic numeral 40 and by the Roman numeral XL.
12.credit - the quality or condition of being trustworthy or believable.
13.cancel - of two factors, to compensate for or neutralize one another.
14.occur – to take place; happen
15.maintenance – the act of maintaining or state of being maintained.
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