the acid test (酸性测试)

Idiom Science

含义

a true and final test of success

成功的真实和最终测试 (chenggong de zhenshi he zuizhong ceshi)

例句

"The real market will be the acid test for this invention."

"真正的市场将是此发明的酸性测试。" (zhenzheng de shichang jiang shi ci faming de **suanzhi ceshi**)