Some examples are allowing a post-payment, pre-payment (at reservation time for instance), or continuous payment scheme.

例如，后付费、预付费（比如在预订服务时付费）或连续付费方案。

youdao

The scheme, designed pre-smartphone, can push only 75% of a tower's maximum capacity to the next switch or endpoint.

此方案是为非智能机而设计，只能传送最大负荷量的75%至下一交换站或终端。

youdao

Establish a therapeutic sera pre-qualification scheme based on WHO experience in pre-qualification of other therapeutic products;

以世卫组织在其它治疗产品资格预审方面的经验为基础，建立治疗血清资格预审办法；

youdao

Under this system, individuals contribute to personal accounts, just as they would in a pre-funded scheme.

ECONOMIST: Pensions: Fulfilling promises | The

Marije Vellekoop, the head of collections, told me of a pre-ticketing scheme that will assure the constant maximum allowable attendance.

NEWYORKER: New Amsterdam

So the pre-funded scheme he wants to set up to provide second pensions for all alongside the state system, while designed to produce the required revenue through normal investment channels, also has some all-singing, all-dancing features meant to turn it into an instrument for improving the world.

ECONOMIST: The history and future of pensions