美国检方就企业并购内幕交易起诉30人

已 (yǐ) is placed before a verb to indicate that an action has already been completed. It's more formal than 已经 and commonly used in news and official contexts.

涉嫌 (shèxián) means 'suspected of' or 'allegedly involved in'. It's used in legal and formal contexts to indicate someone is suspected of wrongdoing without confirming guilt.

This pattern combines 利用 (lìyòng, 'to use/exploit') with 牟利 (móulì, 'to seek profit'). It describes using something as a means to gain profit, often with negative connotations.

This pattern expresses business transactions by stating the monetary amount followed by the action verb (like 收购 'acquire'). The amount modifies and quantifies the business action.

This pattern shows an attempted action (尝试 + verb) followed by the final outcome (最终 + result). It's used to describe efforts and their eventual results, whether successful or not.