If the mobility of the open-ended fund is not good enough, then it will encounter the sudden redeeming of invenstors, which may cause the downward trend and the mobile forfeiture of the whole market.

如果开放式基金的流动性欠佳，再遭遇投资者的突然集体大额赎回，开放式基金的兑现资产则有可能造成整个市场的直线下坠，市场的流动性丧失。

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They encounter sudden combustion inside mock cabins, practicing ducking under flames to stay alive.

WSJ: Airplane Fires: Dallas-Fort Worth International Airport's Firefighter Training