软件必须有良好的外观和功能——保证高质量的精确度和完整度（fit and finish）——特别对于商业软件，而你的竞争对手正在对你造成威胁。

The software needs look and behave well - have a high quality of fit and finish - particularly if this is commercial software and you've got competitors breathing down your back.

youdao

For Muslims, especially for non-Muslims out there, is there any message you'd like to convey?

对于穆斯林，特别是非穆斯林，你有什么想要传达的信息吗？

普林斯顿公开课 - 人性课程节选