本期内容：

Ahead of Barack Obama’s visit to Cuba on Sunday, the United States lifted further restrictions on commercial dealings with the Caribbean country. American banks will be allowed to process Cuban government transactions, making it easier for Cuba to take part in international trade. And American travellers will be able to visit the island as individuals, rather than in organised groups.

词义解析:

Lift restrictions: 解除限定
Commercial: 商业的
Process：处理
Transaction：交易