Is spinach an inferior or a normal good?

菠菜是低档商品还是正常商品？

Past some income level, environmental quality is almost certainly a normal good.

过去的一些收入水平，环境质量差不多可以说是正常和良好的。

Correct control of the environment and pig movement, plus normal good husbandry, can reduce stress significantly.

对猪只转移过程以及对环境的正确控制，加上良好的饲养管理，这些都能显著减轻应激的程度。

Details can be 'normal good luck 'in his writing career in the very important role to play, and the final appearance of their landscape formation.

详述‘师造化’在他创作生涯中所发挥的极为重要的作用，并且是其山水画面貌最终形成的基础。

What they do mind is leaving the beauty of the wilderness and the good friends they've made to return to their normal lives in the city.

他们真正在意的是离开美丽的荒野和他们的好朋友，来回到他们城市里的正常生活。