account form? 第一次听说，指表格吗？
balance of the account 账户余额， 指借方与贷方的差额，the amount representing the difference betwween the debit and credit sides of an account. 总额较小的一方加上这个数额使其等于另一方（使借贷相等）这个数额就叫balance. Balance is included on the side of the less total, to ensure it equals the greater total. A balance is brought down to the opposite side of the account这个余额结转至另一方作为期初余额。
Business transaction, 楼上说是业务分录，我理解的可能不够专业，还是你自己找资料吧。
LLC,有限责任公司，指股东对企业的债务负有限的偿还责任。A company in which the liability of the members in respect of the company's debts is limited.就是说如果企业破产时，股东个人不需要偿还企业所有的债务，仅限于他所持的未付的股票数额。It may be limited by shares, in which case the liability of the members on a windinging-up is limited to the amount (if any)unpaid on their shares.这是目前注册公司的大多数情况，也有公司是 limited by guarantee，即股东同意在企业破产时支付一笔钱，这种意向作为契约写进企业注册备忘录里， the liability is limited by the memorandum to a certain amount, which the members undertake to contribute on winding-up.
注：公司注册时提交的一份文件，英国称为“memorandum”，中国公司法里专业词汇我不清楚，直译就是“备忘录”。
Present value concept:现值观念，解释这个有点难，货币银行学里大体就是说货币是有时间价值的，同样数量的货币在今天的价值和在将来是不一样的，有时也称为未来的收入在现在的价值。It is the value today of a future payment or series of payments, discounted at the appropriate discount rate.会计学里解释现值：the result arrived at in a discounted cash flow calculation by multiplying a projected annual cash flow figure by a discount factor折现因子 derived from a hurdle rate最低预期资本回收率 of interest and a time period.
网站找到的资料都是简单的名词翻译对照，很少有解释的，可以买本牛津会计词典，不过没学过的话也难看懂。
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