Notwithstanding, Ms. Tatlock states that if the oxygen were to have the effect of shielding a passenger from irritants that would otherwise make him or her ill, she questions why this would be a problem.
Malgré cela, Mme Tatlock fait observer que si l'oxygène avait un effet de bouclier pour un passager contre des irritants qui les rendraient malades, elle se demande pourquoi cela pose problème.