Filius nullius
[法] 非婚生子女, 私生子
🗣️ 情景例句
It's a bonsai tree for your new apartment.
这是一颗盆栽，祝贺你迁新居。
Success grows out of struggles to overcome difficulties.
成功来自于克服困难的斗争。
That's a good idea.
这个主意真不错。