我不是男孩,我是女孩。
I'm not a boy, I'm a girl.
The most important resource in any economy is its people.
法律规范的有效性不在于它的实效性,而在于它的约束力。
"Theoretical insights often lead to practical breakthroughs, bridging the gap between abstract ideas and real-world applications."
亲代投资是理解两性交配策略差异的关键。