Developing countries are copying Western-style transportation systems down to the last detail.

发展中国家正在完全照搬西方国家交通运输系统的模式。

The shacks have been lovingly preserved, right down to the last detail.

棚屋每一个细节都被精心保存下来。

The plans were all complete down to the last detail.

【down】计划连最后的细节都已经完成了。

Bill made sure they were authentic, down to the last detail.

比尔确保它们是真实的， 直到最后一个细节。