All plans have a 14-day free trial with the exception of the free plan which is free forever. Here are the variations I tested.

所有计划都是14天免费试用，当然除了免费模式，免费模式就是永远免费了。

youdao

Until now I used for this task the service called Pingdom, but yesterday I tried to sign up for a new application, but there is not the free plan anymore?

直到现在我用此任务的服务宕机，但昨天我想注册一个新的应用程序，但没有自由的计划了吗？

youdao

Haslam has said colleges would be free to opt in or out of the out souring plan, which has not been finalized.

哈斯拉姆表示，关于这个尚未最终确定的外包计划，各大学可以自由选择参加或不参加。

youdao

The Philippine Department of Agriculture and the International Rice Research Institute plan to launch a free service next month.

VOA: special.2010.08.17

"We are committed to helping more Americans to get the health care coverage they need, not through nationalizing the system with a costly government-run plan, but rather by supporting free-market incentives to help small business owners to make coverage more accessible and affordable,".

VOA: standard.2009.08.08

With the free month plan you can access discounts of 20-30%.

FORBES: $1,000 For a Dental Crown? Maybe You Should Shop Around

I'm proud that we passed the recovery plan free of earmarks, and I want to pass a budget next year that ensures that each dollar we spend reflects only our most important national priorities.

NPR: Obama's Address To Congress

The EU insists the plan violates laws on free movement of labour and could lead to widespread legal action.

BBC: Blatter steps up player veto plan