Flexiback
软背, 软脊(装帧)
🗣️ 情景例句
We have done so much
我们已做了这么多的事
My brother is not quite twenty-five.
我的兄弟不够25岁。
The disadvantage with carrying out interviews is that it may take a long time.
走访用户的不利之处是它需要很长的时间。