Flexiback
软背, 软脊(装帧)
🗣️ 情景例句
Oh, it was nothing. I'm glad she liked it.
嗯，小意思。她喜欢就好。
One must draw the line somewhere.
人之所为，总有限度。
It will certainly be very funny!
这戏肯定会非常有趣的。