tíqián shuōhǎo chídào chāoguò shí fēnzhōng zhíjiē qù xiànchǎng bǐ xiànchǎng línshí juédìng gèng gōngpíng

提前说好“迟到超过十分钟直接去现场”，比现场临时决定更公平。

Agreeing in advance to 'go straight to the venue if late by more than ten minutes' is fairer than making a sudden decision on the spot.