indefinite

adj

1. not decided or not known

e.g. were indefinite about their plans
plans are indefinite

2. vague or not clearly defined or stated

e.g. must you be so indefinite?
amorphous blots of color having vague and indefinite edges
he would not answer so indefinite a proposal

1. 期限不定的;无限期的
If you describe a situation or period as indefinite, you mean that people have not decided when it will end.

e.g. The trial was adjourned for an indefinite period.
审判被无限期推迟。
e.g. ...an indefinite strike by government workers.
公务人员的无限期罢工

2. 不明确的;不清楚的
Something that is indefinite is not exact or clear.

e.g. ...at some indefinite time in the future.
在未来的某个时间
e.g. ...a handsome woman of indefinite age.
年龄不明的端庄女子

1.

1. 不確定：则以前的摊销就毫无意义,因此应让其一直保留于账面,不予摊销2004年修改后的国际财务报告准则取消了摊销年限不超过20年的限制,并且规定:如果无形资产有不确定(Indefinite)的使用寿命(即预期能产生净现金流入的未来期间不确定,