通过使用可回收利用和可清洗的购物袋来阻止塑料袋和纸袋的进入。
Covering cells in washable plastic covers could also cut down on unintended transmission.同样将手机置于耐洗塑料中也可以减少病菌的传播。
Take 3 COINS (or tokens or buttons, but really, COINS are best) and label them 1-30 with a washable magic marker.取30个硬币(代币或钮扣都行,但说实话,硬币最好),然后用魔笔在上面分别标上1 - 30。