a crucial test that proves the value or success of something
一个关键测试，证明某物的价值或成功 (yī gè guānjiàn cèshì, zhèngmíng mǒu wù de jiàzhí huò chénggōng)
"The product launch will be the acid test of our new design."
"产品发布将是我们新设计的酸性测试。" (chǎnpǐn fābù jiāng shì wǒmen xīn shèjì de **suānxìng cèshì**)
flawed input data will produce flawed results
Deal with tasks gradually instead of rushing.
to become friends again after an argument
small bags taken with you on a plane or trip
to write something fast so you don’t forget
to refuse to change one's position or opinion
