割り切り

practical   /'præktɪkl/　adj)実用・実践的な

★ connected with real situations rather than with ideas or theories

★ likely to work

businesslike   /'bɪznəslaɪk/ adj)事務的な・能率的な・てきぱきした

★ working in an efficient and organized way and not wasting time or thinking about personal things

He is a very practical person. 彼は現実的（割り切った）な考えを持つ人だ

When we use social media, we should be businesslike at all times.

at all times いつも・常に