--- a/ChengsongTanPhdThesis/Chapters/Chapter1.tex	Mon May 30 17:24:52 2022 +0100
+++ b/ChengsongTanPhdThesis/Chapters/Chapter1.tex	Mon May 30 20:36:15 2022 +0100
@@ -69,6 +69,7 @@
 \def\distinctWith{\textit{distinctWith}}
 \def\lf{\textit{lf}}
 \def\PD{\textit{PD}}
+\def\suffix{\textit{Suffix}}
 
 
 \def\size{\mathit{size}}