（Describe the lighting model you are going to use and then go into the different aspects of it below.
（Describe the lighting model you are going to use and then go into the different aspects of it below.
说明一下你将采用的照明模式，然后下面分成几部分来描述。
（Describe the lighting model you are going to use and then go into the different aspects of it below.
说明一下你将采用的照明模式，然后下面分成几部分来描述。