You do not necessarily need to use it right now, but as long as you set aside a couple of characters for it you can add it later.

您目前不一定需要使用该限定符，但是只要为其留出了几个字符的空间，以后您就可以添加该限定符。

youdao

The Bank of England's then deputy governor promised his wife he would not be long, but more than a hour later was still pacing up and down Great Queen Street.

这位英国央行当时的副总裁向妻子承诺，他不会离开很长时间，但一个多小时过后他仍在大皇后街上踱来踱去。

youdao

This approach of running up a test deficit against one build and paying off the debt on a later build will work as long as the same function has not changed in subsequent builds.

对一次构建启动测试，并在随后的构建中偿还债务的方法，只要在后继的构建中相同的功能没有变更时都会有效。

youdao

Later,I got a telephone call from a friend whom I had not seen in a long time.

VOA: special.2009.05.03

Not long after they became friends and later frenemies.

FORBES: Power Women And Their Power Nemeses

He became prime minister again three years later and died in office not long thereafter, at the age of 46.

FORBES: Fact and Comment

Later I'm not sure how long, we drove down the A470 - the old road on the opposite side of the valley - and looking across there was a gaping black hole where there was once a loving school and houses.

BBC: 1966: Aberfan - a generation wiped out