无须的

I did not have to invent any tales about my past.

我根本无须为自己的过去编造故。

"Hypertext links create a Branching or network structure that permits direct, unmediated jumps to related information."

字连创设了一种分支的或网状的结构,可以直地、无须中间的步骤就得到有关的信息。

They work in the sealless magnetic drive pumps,which transporting volatile,flammable,explosive and toxic solutions with no leakage.

它无须直的机械联，而是利用稀土永磁体之间的相互作用，利用磁场可穿透一定的空间距离和物质材料的，行机械能量的传送。