大峡谷大学经济学文凭证书
2025-06-25 4:36:08 来源：大峡谷大学经济学文凭证书
Wespendourtimelearningfromscientistswhoareinventingcutting-edgetoolstocuredisease.Wetalktodedicatedgovernmentleaderswhoarebeingcreativeaboutprioritizingthehealthandwell-beingofpeoplearoundtheworld.Andwemeetbraveandbrilliantindividualsallovertheworldwhoareimaginingnewwaystotransformtheircommunities.
BillandMelindaGatesRelease2018AnnualLetter