DW: Are you talking about Samba 4.0 type problems?

dW：您是否正在讨论Samba 4.0类型的问题？

youdao

About 700 other street parties and the world-renowned samba schools' parade will take place in Rio until Tuesday.

BBC: Thousands of carnival revellers on a Rio de Janeiro street

About 200, 000 spectators sat in thrall watching dancing beauties shimmy, shake and samba until dawn three nights running at the stadium that bears the name Sambadrome.

NPR: Carnival in Rio: A Party Like No Other