"buys"的音標為/b?z/，基本翻譯為"購買；買進"；速記技巧為：buy的s是復數形式，加es。

“buy”這個詞的詞源可以追溯到古英語“bīan”，意為“購買”。它的變化形式包括過去式“bought”，過去分詞“bought”，現在分詞“buying”，以及形容詞形式“buying”和“bought”。

相關單詞：

“purchase”意為購買，其詞源與“buy”相同，表示購買行為。

“income”意為收入，其詞源可以追溯到古英語中的“incumbe”，意為“獲得”。

“stock”意為庫存，其詞源可以追溯到古英語中的“stoc”，意為“存儲”。

“sale”意為銷售，其詞源可以追溯到古英語中的“seolh”，意為“交易”。

“purchase price”意為購買價格，是購買行為的貨幣表現。

“income tax”意為所得稅，是對收入的一種稅收。

“stock market”意為股票市場，是股票庫存交易的場所。

“sale price”意為銷售價格，是銷售行為的價格表現。

“buyout”意為購買，通常指公司或組織通過大規模購買行為獲得其他公司的所有權。

以上就是關于“buy”的一些相關單詞及其詞源、變化形式的分析，希望對你有所幫助。

常用短語：

1. buy into

2. buy out

3. buy and sell

4. buy low, sell high

5. buy and hold

6. buy sth for a song

7. buy one"s way out

例句：

1. I bought into the stock market when I was young, but now I only buy and sell stocks when I need to cash in my profits.

2. The company bought out the competitor, but now they need to sell off some of their assets to pay off the debt.

3. Buying cheap goods is a good way to make money, but you need to be careful not to buy things that are of poor quality.

4. Buying low and selling high is a common strategy in the stock market, but it"s not always easy to predict the market trends.

5. Buying and holding stocks is a safe way to invest, but it"s important to keep up with the latest news and trends in the market.

6. I bought a book for a song at a second-hand bookstore, and it turned out to be a great read!

7. Buying one"s way out of trouble is not always effective, but sometimes it"s the only way to get out of a sticky situation.

英文小作文：

Buying and Selling: The Art of Successful Investing

Investing is a complex topic, but buying and selling is one of the most fundamental aspects of investing. Buying low and selling high is a common strategy that many successful investors use to generate profits. However, it"s not always easy to predict market trends and make informed decisions about buying and selling stocks or other assets.

Successful investing requires knowledge, patience, and discipline. It"s important to keep up with the latest news and trends in the market, stay informed about company fundamentals, and understand the risks involved in investing. Buying and selling is also a skill that can be learned and improved over time.

By practicing and researching, investing can be a rewarding and profitable hobby or profession. However, it"s important to remember that investing is not a get-rich-quick scheme, and it requires time, effort, and discipline to succeed.