Mathematical relation
数学关系
🧩 词语组成解析
🗣️ 情景例句
Right over here, Grandpa.
请到这儿来 ，爷爷。
A true friend is known in the day of adversity.
疾风知劲草，患难知友情。
and no father is confronted with his inability to 'buy'an education for his child.
也不存在父亲无力为孩子支付教育费用而犯难的问题。