Vanity is a constant; people will only start shopping more sustainably when they can't afford not to.
虚荣心是永恒的；人们只有在无法不这样做时，才会开始更加可持续地购物。
Even now that he is working steadily, he said, “I can’t afford to pay my monthly mortgage payments on my own, so I have to rent rooms out to people to make that happen.
即使现在他工作稳定了，他说，我无法独自承担每月的按揭贷款，所以必须把房间租给别人来实现这一点。
Many old drivers don't see eye doctors or can't afford to.
许多老司机不去看眼科医生，或者负担不起。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。