英语语法分析

But producing CIGS-based solar modules is not easy.

生产CIGS太阳能组件却十分复杂。

So in addition to the escalating costs of buying and smoking your cigs, add in the cost of tooth whitening.

除了不断上涨的香烟的购买费用，还有一个代价那就是美白牙齿。

The most effective material for thin-film photovoltaics so far is copper indium gallium selenide (known as CIGS).

目前为止，光电薄膜最有效的材质是铜铟硒化镓（CIGS）。