Sai
abbr. 社会责任国际组织（Social Accountability International）；单指针自动同步指示器（single autosyn indicator）
🗣️ 情景例句
She is sleeping here so she won't have to travel from Riverdale in the morning.
她晚上住在这儿，免得早上从Riverdale赶过来。
I had to pay three dollars for my club fee.
我付了三美元给俱乐部
Three days ago.
3天前。