Then you could traverse the string and, for each character, increment the corresponding counter, probably using a chained conditional.

然后你遍历整个字符串，每个字母的个数都累加到对应的计数器里面，可能会用到分支条件判断。

youdao

Simple character frequency counter, but why won't the count happen in realtime?

简单的特征频率计数器，但为什么不计数发生在实时？

youdao

There are two main doctrines on the legal character of securities counter-purchase: doctrine of collateral loan and doctrine of conditional sale .

关于证券回购的法律性质，主要有抵押贷款说和附条件买卖说等两种做法和观点。

youdao

But in the past 15 years, despite (or perhaps because of) the emperor and the government's best efforts, bass fishing has become the new Elvis in Japan, especially among the country's youth, where the sport has tapped into all of the outlaw, counter-culture character (and growth) that skateboarding has in the U.S. Japan-based tackle manufacturers, like Yozuri, Shimano and Daiwa , now supply bass anglers all over the world.

FORBES: Long Reach Of The Largemouth

As almost always, Mr. Washington brings extraordinary depth and intelligence to his role, even though the title character, who learned his killing skills in counter-insurgency work, has become a rusty staple of the action genre.

WSJ: Denzel Does Malice