求翻译：餐巾如果很大，就双叠着放在腿上；如果很小，就全部打开。千万别将餐巾别在领上或背心上，也不要在手中乱揉。可以用餐巾的一角擦去嘴上或手指上的油渍或脏物。千万别用它来擦刀叉或碗碟。是什么意思？

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If napkin great, dual-stack on the leg; if it is small, it is fully open. 10 million will be napkins in collar or waistcoat, and do not in their hands and rub. You can use the napkin a corner to wipe on the nozzle tip or finger oils or dirt. 10 million don't use it to wipe knife and fork or dish.

If table napkin very big, double folds is placing on the leg; If very small, completely opens.In do not get the table napkin or on the vest, also do not have randomly to rub in the hand.May use table napkin a jiao to delete in the mouth either the finger grease stains or dirty.Do not scratch the kni

Napkin, if is large, double-folded in her lap if very small, completely opened up. Don't place your napkin on the collar or vest, and don't rub hands. You can use a corner of the napkin to wipe the grease or dirt on the lips or fingers. Don't use it to wipe the silver or the dishes.

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