If bad posture becomes habitual, you risk long-term effects.不良姿势一旦定型，其影响可能是长期性的。The arrangement was put on a permanent footing earlier this year.今年年初就确定了这一安排是长期性的。Don't get me wrong, it's interesting work. But it's not permanent.别误会我的意思，这个工作很有意思，可惜不是长期性的。