Topicalize
vt. 【语言学】话题化
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
Can you afford the expense?
你出得起这笔费用吗？
Practice dialogues like these.
这样练习口语。