// 易错点3：未初始化默认值，可能导致res[i]为undefined
if (srcDesc && srcDesc.set) {，这一点在旺商聊官方下载中也有详细论述
Highest danger rate。关于这个话题，搜狗输入法下载提供了深入分析
The categories are broken into four sections: users under 13 years of age, over 13 years of age under 16, at least 16 years of age and under 18, and "at least 18 years of age."