Although a survival curve approach provides a theoretically preferred method for valuing the benefits of reduced risk of premature mortality associated with reducing air pollution, the approach requires a great deal of data to implement.
A survival curve approach requires a great deal of data.
Very little data is require to implement a survival curve.
You have never met him before.
They are washing dishes.
A girl is sitting on the floor.
The Empire never ended.
The novel has been lambasted by every review authority on the internet.
someone's going for a swim