It is what I have called a "voiceless voice", something like the voice of your own thoughts.

我把这叫做“无声的话语”，有的时候他的话语就想是我自己的想法。

youdao

It requires institutions that are fast, flexible, and accountable, that can give voice to the voiceless with resources at the ready.

这要求这些多边机构行动迅速、灵活应变而且担负责任，能够让具有资源和条件的沉默方有发言权。

youdao

Give voice to the voiceless; official and unofficial sources of information can be equally valid.

让无声的人们发出声音，官方信息和非官方的信息被以同样价值对待。

youdao

And our union is more perfect for the way he spent it: giving a voice to the voiceless.

WHITEHOUSE: The White House

The Beyond the Cardboard movement is a re-envisioning of what it means to give a voice to the voiceless.

FORBES: Jessica Choi: 2011 College Social Innovator Award Winner

Plays during apartheid focused on raising consciousness and giving voice to the voiceless.

NPR: Play Captures Life Under South African Apartheid