Other buyers are satisfied with it, but we could delay it if you could pay 40 percent up front.
其他买主对这货物很满意,但如果你能先付40%货款,我们可以延迟交运。
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。