a testament to sth or testament to sth…的证据;…的证明
Braka's house is a testament to his Gothic tastes.布拉卡的房子是他喜好哥特风的一个证明。
The fact that these scandals are now public is testament to the relative openness of America's government.这些丑闻如今公之于众, 这证明美国政府是相对透明的。