In the world of fashion it sometimes seems that the only constant is ceaseless change
在时装界，有时似乎唯一永恒不变的.东西就是不断的变化。
There is a ceaseless struggle from noon to night.
从中午到夜晚，争斗没有停歇。
The conflict between them seems ceaseless.
他们之间冲突似乎没个止息。
At present actual strength of research and development is in ceaseless development.
目前国内的研发实力正在不断的发展之中。
We must make ceaseless efforts to improve the quality of the products.
我们要不断地努力提高产品质量。