president

The president signed the new environmental bill into law this morning.

(Chinese) 总统今天上午签署了新的环境法案使其正式生效。

In the United States, a president is elected to serve a four-year term.

(Chinese) 在美国，总统当选后的任期为四年。

The president of the tech company announced plans for a new artificial intelligence lab.

(Chinese) 这家科技公司的总裁宣布了建立新人工智能实验室的计划。

After thirty years of service, he was promoted to president of the international bank.

(Chinese) 在服务了三十年后，他被晋升为这家国际银行的总裁。