Jenkins says his next step is to follow-up with his diet-study patients to see whether the change in their eating habits translates to cleaner arteries and therefore to fewer heart events.
It was simply a massive step forward, with a cleaner user interface and much better browsing performance.
它还只是一个巨大的进步，凭着简洁的界面和更好的浏览效果。
3
Most worrisome to experts on global warming, the utilities have recently been canceling their commitments to a type of plant long seen as a helpful intermediate step toward cleaner coal.