Lifespan limitation, a purchase, lifetime use.

使用期限不限，一次购买，终身使用。

youdao

Ms Romer's team is handicapped by our use of lifetime citation counts, but the difference is still striking.

罗黙的团队的分数受到终身引用计数的不利制约，但是差异也很显著。

youdao

He contended the U.S. research didn't distinguish between aspartame and other sweetener use and did not measure lifetime sweetener use.

位于意大利博洛尼亚的欧洲拉马奇尼基金会的莫兰多·索弗里蒂博士指责美国人在研究中并未对阿斯巴甜和其它种类的甜味剂加以区分，而且也没有计算一个人终生食用甜味剂的数量。

youdao

You have more skateboards than you're going to be able to use in your entire lifetime and the government is taking part of those.

你的滑板多到,一辈子也用不完,而政府只是拿走其中的一些。

耶鲁公开课 - 公正课程节选

Around one in three males and one in five females reported lifetime use of any illegal drug, according to the Drug Prevalence Survey.

BBC: More than 25% people have taken drugs

In Nevada, a 55-acre community called Front Sight, featuring streets with names like Second Amendment Drive and Sense of Duty Way, is being built for gun enthusiasts (people who buy an acre plot get lifetime use of the 22 planned ranges, an Uzi machinegun and a safari in Africa).

ECONOMIST: The growth of private communities

The sweetheart deal for lifetime airplane use in retirement was quickly disappearing.

FORBES: CEO Perk? What Happened To The "Lifetime Use Of The Company Jet?"