diff --git a/paper/result/perfect/default.typ b/paper/result/perfect/default.typ
index cda252a..390c415 100644
--- a/paper/result/perfect/default.typ
+++ b/paper/result/perfect/default.typ
@@ -8,18 +8,18 @@
 我们将这 21 个声子模式分为两类：18 个极性可以忽略的声子模式（即极性为零或非常弱的声子），在拉曼散射过程中它们的电极性造成的效应可以忽略；
   和 3 个强极性声子模式，在拉曼光谱中电极性效应是可观测的。
 
-Phonons involved in different Raman incidence configurations (normal, grazing, and edge incidence)
-    are located at different positions in reciprocal space,
-  all of which are near the #sym.Gamma point,
-  with the distance from the #sym.Gamma point determined by the wavelength of the incident light,
-  and the relative position to the #sym.Gamma point determined by the direction of incidence.
-For each such position around the #sym.Gamma point,
-  there are 21 phonon modes (degenerate modes are counted according to their multiplicity).
-We classify these 21 phonon modes into two categories:
-  18 negligible-polar phonons (i.e., phonons with zero or very weak electrical polarity),
-    for which the effect of polarity can be ignored in the Raman scattering process;
-  and the other three strong-polar phonons,
-    where the polarity gives rise to observable effects in the Raman spectra.
+Phonons involved in Raman scattering under different incidence configurations (normal, grazing, and edge incidence)
+    are located at distinct positions in reciprocal space,
+  all close to the #sym.Gamma point.
+The distance from the #sym.Gamma point is determined by the wavelength of the incident light,
+  and the direction from the #sym.Gamma point is determined by the incidence configurations.
+At each such position near the #sym.Gamma point,
+  there exist 21 phonon modes (with degeneracies counted accordingly).
+These modes can be categorized into two groups:
+  18 negligible-polar phonons (i.e., zero or very weak electrical polarity),
+    whose electrical polarity can be disregarded in the Raman scattering process;
+  and three strong-polar phonons,
+    whose electrical polarity leads to observable effects in the Raman spectra.
 
 这个分类是有意义的。从微观上讲，它也和原子的振动方向有关。