If the stain persists, mix white vinegar with salt in equal proportions and rub with the sponge.

如果污渍仍然不能去除，就将盐和醋按相同比例混合，再用海绵擦拭。

youdao

While a balanced bilingual has near equal abilities across the board in two languages, most bilinguals around the world know and use their languages in varying proportions.

一个均衡的双语者，对于两种语言的掌握程度是接近的。世上大多数的双语者，以不同的程度掌握、了解和使用他们的语言。

youdao

By randomizing patients, almost all factors (known or unknown) that might influence the outcome are present in equal proportions in the various treatment groups.

FORBES: Clinical Trial Advice For Investors From Two Pros

Among the British public she aroused fervent admiration and intense dislike in almost equal proportions, but in the world beyond she was recognized for what she was: a great, creative stateswoman who left the world a better and more prosperous place, and whose influence will reverberate well into the 21st century.

WSJ: Paul Johnson: The World-Changing Margaret Thatcher

But the court has established a track record of impartiality, ruling in favour of the three major parties in almost equal proportions over the past decade.

ECONOMIST: Mexico's elections