Nonetheless, doing all that is humanly possible is not enough to completely avoid allergy attacks, because in the environment there are bound to be allergens against which is it sometimes impossible to defend oneself effectively. When an attack does occur, and especially during allergy season, it is very important to take appropriate drugs and to take good care of one's health.
不過，即使盡人事，也未必能完全杜絕過敏的發生，因為環境中過敏原無所不在，防不勝防，當過敏發作，或正逢較容易發生過敏的季節時，藥物治療與保養，是非常重要的。