cash的音標是[k??]，基本翻譯是現金。速記技巧可以是：可以嘗試使用字母速記法，將每個單詞的字母組合固定下來，這樣可以快速拼寫出來。

cash這個詞的詞源可以追溯到古英語，意為“現金，現錢”。它的變化形式包括復數形式cash，過去式cash和現在分詞cashing。

相關單詞：

1. check：這個詞源自cash，意為“支票”，反映了現金支付的方式。

2. balance：這個詞意為“余額”，來源于拉丁語，與cash有著密切的關系。

3. currency：這個詞意為“貨幣”，直接來源于cash，表示流通中的現金。

4. cashier：這個詞意為“出納員”，來源于法語，表示管理現金的人。

5. pay：這個詞意為“支付”，來源于拉丁語，與cash也有著密切的關系。

6. deposit：這個詞意為“押金”，來源于拉丁語，與cash也有著密切的關系，表示為保證物品安全而存入的現金。

7. revenue：這個詞意為“收入”，來源于拉丁語，與cash也有著密切的關系，表示政府或個人獲得的現金收入。

8. cash-in：這個詞意為“兌現”，來源于cash，表示將支票或現金兌現。

9. cash-out：這個詞意為“取現”，來源于cash，表示從銀行或信用卡公司提取現金。

10. cash-flow：這個詞意為“現金流”，來源于cash，表示公司或個人現金流入和流出的狀況。

以上這些單詞都與cash有著密切的關系，反映了現金在金融交易中的重要地位。

常用短語：

1. cash in on

2. cash flow

3. cashier"s check

4. cash money

5. cash in hand

6. cash on delivery

7. cash advance

例句：

1. I"m trying to cash in on the latest trend.

2 We need to monitor our cash flow to avoid any shortages.

3 I"ll mail you a cashier"s check for the money owed.

4 I"ll send you the payment via cash money.

5 Please confirm that the cash in hand is sufficient for our needs.

6 You can request a cash advance from your bank.

7 She received a cash advance from her boyfriend for her birthday.

英文小作文：

Title: The Importance of Cash Flow Management

Cash flow is crucial for any business, as it determines the company"s ability to pay its bills, make investments, and provide returns to shareholders. Good cash flow management involves monitoring and managing incoming and outgoing cash, ensuring that there is sufficient liquidity to meet the company"s financial obligations and take advantage of opportunities.

Cash flow management also involves planning for future cash needs, such as investing in new equipment or expanding operations. Effective cash flow management can help businesses avoid financial difficulties and maintain their financial stability.

However, cash flow management is not an easy task, as it requires constant monitoring and adjustment to changes in the business environment. Therefore, it is essential for businesses to have a clear understanding of their cash flow patterns and identify potential risks and opportunities. By doing so, businesses can take appropriate actions to ensure that they have sufficient cash resources to meet their financial obligations and take advantage of profitable opportunities.