Practising
a. 在从事职业的, 在从事活动的
🗣️ 情景例句
And plus, if you are not completely satisfied, you can return it to us.
并且，如果您不是百分百的满意，你可以将产品退还给我们。
Art is long, but lift is short.
人生有涯，而学无涯。
He is respectful to his elders.
他对长辈很恭敬。