在演示过程中，尼克讨论题目，如使用渠道，层次，使树叶，水的思考，创造深度和软雾照明。
Over the course of this demo, Nick discusses topics such as the use of channels, layers, rendering foliage, water reflections, creating depth and soft foggy lighting.
论文在思考方法或思考方向上强调实用主义，运用理论和实践相结合的方法来探讨论题。
In thinking method and direction, this article is from pragmatism, and USES method that combines practice with theory to discuss issues.
答：科学课上有一讨论题，你对“花费大量的人力、物力、财力甚至以牺牲宇航员的生命代价去探索宇宙，你认为是否值得”有什么思考？
Recently, students in our class have had a discussion on whether space is worth exploring. 30% of us think space exploration is not worthwhile.
答：科学课上有一讨论题，你对“花费大量的人力、物力、财力甚至以牺牲宇航员的生命代价去探索宇宙，你认为是否值得”有什么思考？
One possible version:Recently, students in our class have had a discussion on whether space is worth exploring. 30% of us think spaceexploration is not worthwhile.
答：科学课上有一讨论题，你对“花费大量的人力、物力、财力甚至以牺牲宇航员的生命代价去探索宇宙，你认为是否值得”有什么思考？
One possible version:Recently, students in our class have had a discussion on whether space is worth exploring. 30% of us think spaceexploration is not worthwhile.
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