Imagine that this drug were simple to make, safe to take, and could be had for free.

试想一下，这种药制作简单，服用安全，且完全能免费获取。

youdao

External recovery refers to actions that take place outside of work—e.g. in the free time between the workdays, and during weekends, holidays or vacations.

外部恢复指的是发生在工作之外的行为，如在工作日里的空闲时间、周末、节假日或假期。

youdao

External recovery refers to actions that take place outside of work—e.g. in the free time between the work days, and during weekends, holidays or vacations.

外部恢复指的是工作日之间、在周末、节假日或假期期间发生的工作以外的行为。

youdao

We have learned through this world downturn that markets should be free but never values-free, that the risks people take should never be separated from the responsibilities they meet.

BBC: In full: Brown's speech to Congress

Take WillCall, a San Francisco-based company that (for free) will register you to 50 randomly selected events.

FORBES: Entrepreneurial Austin: One Woman's SXSW Party Profiteering

All the experience in San Francisco, New York, Dublin and elsewhere - cities and countries who have been brave enough to take this decision - is that members of the public enforce smoke-free areas themselves.

BBC: NEWS | UK | Scotland | First minister's speech in full