《宋史·列传·卷一百三十三》
两淮不保，那么长江决不能守住；长江不能守，那么江、浙决不会安全。
两淮不保，则大江决不可守，大江不守，则江、浙决不可安。
If the Two Huai areas cannot be kept, then the Yangtze River will definitely not be able to be held; if the Yangtze River cannot be held, then Jiang and Zhe will definitely not be safe.
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 两淮不保，则大江决不可守，大江不守，则江、浙决不可安。 Updated: 两淮不保，那么长江决不能守住；长江不能守，那么江、浙决不会安全。 [/INST] If the Two Huai areas cannot be kept, then the Yangtze River will definitely not be able to be held; if the Yangtze River cannot be held, then Jiang and Zhe will definitely not be safe.</s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 两淮不保，则大江决不可守，大江不守，则江、浙决不可安。 Updated: 两淮不保，那么长江决不能守住；长江不能守，那么江、浙决不会安全。
user
If the Two Huai areas cannot be kept, then the Yangtze River will definitely not be able to be held; if the Yangtze River cannot be held, then Jiang and Zhe will definitely not be safe.
assistant