所有收集得来的问卷将会保密，并会在调查完成后消毁。

All the information collected will be kept confidential and will be discarded after the research.

youdao

所有收集得来的问卷将会保密，并会在调查完成后消毁。

All the information collected will be kept confidential and will be discarded after the research.

youdao