We can assure you that our products are the most outstanding ones on the market today, and we offer a five-year guarantee.
我们可以向您保证我方产品是当今市场上最好的,并且可提供5年保修期。
All this was comparatively slow until, with the coming of science, the tempo was suddenly raised.
所有这些发展都比较缓慢,而随着科学的到来,增长的速度才突然加快。