I'll need to buy a large, strong, light backpack to carry my supplies of food and water.
我得买一个又大又牢而且很轻的旅行背包来装我的食物和饮用水。
I will need to buy a large backpack to carry my supplies of food and water.
我需要买一个大的旅行背包来背负我的食物和水。
I don't have enough money to buy the new backpack.
我没有足够的钱来买新背包。
I don't have enough money to buy the new backpack.
我没有足够的钱来买新背包。
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