She must be having a few buttons missing .

她肯定是脑子缺根弦。

youdao

She must be having a few buttons missing.

她肯定不见了一些扣子。

youdao

Three buttons were missing from his shirt.

他的衬衫少了3颗纽扣。

《柯林斯英汉双解大词典》

Often they dress sloppily or have buttons missing.

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We have to say it is a sight for sore eyes to see a remote with less buttons, but we're sure more than a few people will complain about missing their favorite button.

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