In words, l_i(x) is constrained to 1 at and to 0 at
"But you need an oil price that makes that worthwhile. Unless you can generate sufficient money to justify that, it's very difficult to see the industry coming back."，这一点在新收录的资料中也有详细论述
Then I hit hard limits. I wanted shaders. Impossible. I wanted rotation, one of the three fundamental graphics operations, and Clay couldn't do it. Scrolling had to be implemented manually. Text input didn't exist (those are only on, what, 99% of interactive applications?). I couldn't even imagine cross-platform accessibility support.，详情可参考新收录的资料
Markdown import and export features.