A trader said gold sold briskly on the local market.
一位贸易商说黄金在当地市场的销售很兴旺。
 

2.sentiment 感情

This is a sentiment I wholeheartedly agree with.
这种态度我完全赞同。

3.launched 发起

The product was launched amid much fanfare worldwide.
这个产品在世界各地隆重推出。

4.tune 曲调

I recognize the tune but I can't put a name to it.
这曲子我听过，但想不起叫什么了