Rú / guǒ / bù / zēng / jiā / rén / shǒu / lín / shí / jiā / bān / yě / zhǐ / shì / bēi / shuǐ / chē / xīn

如果不增加人手，临时加班也只是杯水车薪。

Without adding more staff, temporary overtime would still be utterly inadequate.