翻译：我计划今年夏天来美国参加培训，但看了广告，我有些地方不明白

如果广告是书面的.

I am planning to attend training classes in the United States this summer, however, after reading the marketing brochures, I am a bit confused on some of the issues.

如果广告是电视上的

I am planning to attend training classes in the United States this summer, however, after watching the advertisements, I am a bit confused on some of the issues.

I plan to get training in America this summer, but there's something I don't understand after reading the advertisement.
楼主借鉴~ ：）

I am planning to attend training classes in the US this summer, however, after watching the advertisements, I am a bit confused on some of the issues.

I planed to attend the training series in America this summer. However, after read the ad. I had some confusion.