最好你一段时间关注一件事情。

Focus on one thing at a time (see How NOT to Multi-task).

最好你需要在狭小的工作间里进行长时间的工作。这时，你的同事就成了你的朋友和家人。

Then there are the long hours working in very small areas where your testing team becomes your friends and family.

嗯，最好你有一台放大机，和化学药品，如此之类的。

B: oh, well, you'd need your enlarger, and chemicals, and so on.

就是那样的，如果你对这也不满意，最好你也别吃甜点（跳过甜点）了，那是天使的蛋糕。

Well, if bothers you, then you better skip dessert, replied the waiter. It's angel food cake.