Someone discovered that animal grease or fat rubbed into the inner side helped the leather to become soft.

有人发现，动物油脂或脂肪擦到皮革内有助于皮革变得柔软。

youdao

Later, someone discovered that animal grease or fat rubbed into the inner side helped the leather to become soft.

后来，一些人发现把动物的油脂或脂肪擦到皮革的内层，可以帮助皮革变柔软。

youdao

If someone asks you what you do, would you be comfortable saying you own a business that cleans the grease out of the commercial hoods in fast food kitchens?

如果有人问你你做什么，你会说你自己一个舒适的业务，清理厨房的快餐商业抽油烟机的油脂呢？

youdao

However,I admit that we had to grease someone's palm.

VOA: special.2009.10.18

Also eating away at your cash: garbage service, the sign out front, having someone clean the grease traps, printing menus--and the temptation to eat or drink up the profits yourself.

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