Examples of using "Contributions" in a sentence and their english translations:
All contributions are tax deductible.
Thank you for all your contributions. We expect to see you again soon.
Avatars are no contributions, they're personal identities.
Over 20% of the Gairdner Foundation winners have subsequently won a Nobel Prize for their scientific contributions.
So why not just say "If you think you've done enough for Tatoeba to become a trusted_user, write a message to a trusted_user or moderator that speaks your languages and tell them. They will look over your work to check whether you've understood the system or not. If you have, you're in."?