So now that I got my guitar for free, I could spend my money on buying a keyboard (it was going to be pricey to try and buy both at the same time).

所以我现在得到了免费的吉他，可以省下钱买键盘(同时试用和购买键盘是很贵的)。

youdao

If, for instance, you buy a shirt and find out when you try it on that it's too small, you can take it back to the store and exchange it for a larger size.

举例来说，如果你买了一件衬衫，试穿时却发现太小了，就可以把它拿回店里换大一点的尺寸。

youdao

For instance, when I buy meat, I try and buy the meat with the least fat on it.

举例来说，我买肉时尽量挑肥肉最少的肉。

youdao

It will also find it harder to differentiate itself as rivals try to reduce their reliance on big buy-outs and expand their geographic reach.

ECONOMIST: The Carlyle Group

If, on the other hand, you were to buy summer gasoline and try to store it until winter, you might find yourself having problems getting the fuel to ignite, due to the lower vapor pressure.

FORBES: Why Spring Means Higher Gasoline Prices