fix LLM explainer for sentence: section + example sentences

docs/.vitepress/theme/components/VocabQuiz.vue

@@ -187,9 +187,11 @@ const example = computed(() => {
   return ex[exIndex.value] || null;
 });
 
-const sent_ko = computed(
-  () => (example.value?.ko || fmKey !== "vocabulary" ? v.value?.ko : "") || "",
-);
+const sent_ko = computed(() => {
+  if (example.value) return example.value.ko || "";
+  if (fmKey === "vocabulary") return "";
+  return v.value?.ko || "";
+});
 
 const MAX_VOC = 5;
 

docs/howtostudykorean/unit-1/24-before-after-since-within.md

@@ -1265,7 +1265,7 @@ If 안/이내 are placed after an indication of time, they have the meaning of
 
 This was a bit of an easy lesson as well! This lesson and the one before it were pretty easy – but don’t worry – you are almost at Unit 2, and the lessons in that unit will be really hard!
 
-[Okay, I got it! Take me to the next lesson!](./25-anybody.md) Or,
+[Okay, I got it! Take me to the next lesson!](./25-anybody-everybody.md) Or,
 [Click here for a workbook to go along with this lesson.](https://www.howtostudykorean.com/workbooks/#Unit1725 "Workbooks")
 
 ## Summary

docs/index.md

@@ -39,4 +39,4 @@ hero:
 - [Lesson 22: Asking Questions: How, What, Which, How Many](./howtostudykorean/unit-1/22-how-which-what-how-many.md)
 - [Lesson 23: ㅎ Irregular: Colors, 이렇다, 그렇다 and 저렇다](./howtostudykorean/unit-1/23-ㅎ-irregulars-colors.md)
 - [Lesson 24: Before, After, Since, Within (전/후/이래로/이내)](./howtostudykorean/unit-1/24-before-after-since-within.md)
-- [Lesson 25: Anybody, Everybody, Somebody, Nobody, etc.](./howtostudykorean/unit-1/25-anybody.md)
+- [Lesson 25: Anybody, Everybody, Somebody, Nobody, etc.](./howtostudykorean/unit-1/25-anybody-everybody.md)