学习导读听得见 · 读得懂

Why Gas Prices Jump Before Holidays — and Why They Don’t Always Fall After

为何节假日前油价飙升——以及为何节后未必回落

Why Gas Prices Jump Before Holidays — and Why They Don’t Always Fall After

课文音频

Listen to the full story · 完整逐句/整段音频可在解锁后使用。

您仍可先看下方课文摘要;在阅读器可查看该书试读与权益说明。

课文

从第 4 课起,导读页仅展示部分正文,便于您了解难度与风格。

  1. Gas prices often rise in summer months — not because oil companies ‘choose’ to hike them, but because drivers travel more and refineries switch to pricier summer-blend fuel.

  2. Crude oil prices shift with global events: a conflict overseas, pipeline repairs, or sudden demand from growing economies all move the needle quickly.

Unlock full vocabulary & bilingual guide · 完整课文、逐句音频与全部译文请在解锁学习权益后于阅读器中查看。

Improve faster解锁本课完整体验

词汇与语法扩展

解锁学习权益后,您可在导读页继续浏览全课重点词汇、参考译文与语法提示;听全文、逐句点读与查词建议在阅读器中使用。