她的着装风格展现了完美的精致与优雅。

Her fashion choices show a remarkable level of ___sophistication and elegance.

这款智能手表的设计体现了高度的技术复杂性。

The ___sophistication of this smartwatch's design reflects advanced technological complexity.

他在处理国际商业谈判时展现出了非凡的老练和洞察力。

His ___sophistication in handling international business negotiations was truly impressive.