A small transport overhead (the fixed-length header is just 2 bytes), and protocol exchanges minimised to reduce network traffic.

小型传输，开销很小(固定长度的头部是2字节)，协议交换最小化，以降低网络流量。

youdao

Overhead handles and rings, tell me about it! If god wanted us to be of the same height, he would have done so... we don't need the transport department helping us out there.

那些高高在上的扶手和拉环啊~如果上帝想让我们有同样的高度，他是会这样做的…。可是我们不需要运输部门再来气我们了。

youdao

Doing that as part of the transport ends up saving some overhead.

在传输部分这样做最终会节省一些开销。

youdao

Transport Scotland, which is managing the project, said an overhead bridge, giving access to the westbound platform via stairs or a lift, would be installed later this summer.

BBC: Refurbished Dalmarnock station to reopen on 20 May