The book is hard to understand ( ) there are no new words in it.答案是though 但是我...
问题描述：
The book is hard to understand ( ) there are no new words in it.答案是though 但是我...
The book is hard to understand ( ) there are no new words in it.
答案是though 但是我想问下unless为什么不行
答
The book is hard to understand though there are no new words in it.
虽然这本书里没生词,但是还是很难懂.
Unless：除非这本书里没生词,不然这书就会很难懂.（这显然与逻辑不符）