If you know how to safely walk a dog, that's a skill people are willing to pay you for.
如果你知道如何安全地遛狗,那就是一项有人愿意为之出钱的技能。
Proper knowledge how to safely prepare and store pet foods.
知道如何正确准备和贮藏宠物食品。
Determine the appropriate equipment required to use the product and know how to safely operate the equipment.
确定用来使用产品的合适的设备,同时知道怎样安全地操作设备。
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