巴西总统卢拉：但关键在于对等原则，如果美国对我们征收50%的关税，我们也将对其征收50%的关税。

Group 1 - The core viewpoint is that Brazil's President Lula emphasizes the principle of reciprocity in trade tariffs, indicating that if the U.S. imposes a 50% tariff on Brazilian goods, Brazil will respond with a 50% tariff on U.S. goods [1]