花些时间用逗号将这个字符串分开，然后再用冒号获取remaining_hits的值。

You could take the time to split out this string by comma and then again by colon to grab the value of remaining_hits.

youdao

这其中还有一个逗号分开的有值的占位符，我把它放到了引号之后。

And that's really a placeholder for the comma-separated list of values that I put after those quotes.

youdao

And that's really a placeholder for the comma-separated list of values that I put after those quotes.

这其中还有一个逗号分开的有值的占位符,我把它放到了引号之后。

哈佛公开课 - 计算机科学课程节选