《新唐书·列传·卷一百四十一》
吐蕃总说： 我不是图你国的利，而是借路攻四镇罢了。 
吐蕃每曰： 我非利若国，我假道攻四镇尔。 
Tubo always said: I'm not trying to take advantage of your country, but just to borrow a way to attack the four towns. 
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 吐蕃每曰： 我非利若国，我假道攻四镇尔。  [/INST] Tubo always said: I'm not trying to take advantage of your country, but just to borrow a way to attack the four towns. </s>
Identify the key themes in this Classical Chinese text and explain them in English: 吐蕃每曰： 我非利若国，我假道攻四镇尔。
user
Tubo always said: I'm not trying to take advantage of your country, but just to borrow a way to attack the four towns.
assistant