You could always substitute a low-fat soft cheese...是什么意思？

You could always substitute a low-fat soft cheese...

你总是可以代之以低脂肪的软奶酪。

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

could

aux. “can”的过去式，能够，打算，用于假设语气的条件句，用于虚拟语气的结论句；

例句
The regulations were relaxed and the prisoners could get out and about a bit.
规定有所放宽，犯人可以出去短暂放风。

always

adv. 总是，老是，永远，始终，常常，不断地；

例句
Some cities are always going to be more advantaged.
一些城市总会有一些得天独厚的优势。

substitute

vt.& vi. 代替，替换，代用；n. 代替者，替补（运动员），替代物，[语法学]代用词；vi. 用…替代；

例句
...a soap substitute such as an aqueous cream, available from chemists.
药店出售的水质乳液之类的香皂替代品

soft

adj. 软的，柔软的，温和的，柔和的，不含酒精的，轻松的；n. 柔软之物，柔软的部分；adv. 柔和地，温柔地；

例句
She gave him a soft appealing look that would have melted solid ice.
她恳求地看了他一眼，温柔的眼神足以融化坚冰。

cheese

n. 奶酪，<俚>微笑；vt. <俚>停止；

例句
Add the grated cheese to the sauce...
把磨碎的干酪加到调味汁里。