After René says, "respect the silence" to Maggie, he speaks to a woman and takes a drink from a big plastic Coke bottle. He screws the cap on, then hands her the bottle. She turns around, and the cap is missing.
When Jose drinks his beer at the restaurant, he finishes it off. But then in the next shot he refinishes the same beer before the waiter brings him a new one.
Early on when Maggie Cheung is in the latex fitting with Zoé, the boom mic is briefly visible right before Zoé finishes.