Why exo-m, a pair of white peaches, is also called beef?

Dear ~ ~ Tao was very close to Bai Bai when he was in Korea. Tao and Bai Bai are both cows, because they are both Taurus. When Tao just went to Korea, his Korean was not good, and he didn't know what Jinniu said. It was called beef beef, ~ sauce purple ~

The above is Bo Xian's explanation at the peach birthday party ~ Please accept it if you are satisfied ~ ~