Apple is notoriously obsessed with secrecy when it comes to what it has on the drawing board.

众所周知，苹果公司对于筹划阶段的内容一向秉持保密。

There are some really exciting tech innovations on the drawing board, and I think they'll probably become realities eventually.

绘图板上有一些非常令人兴奋的技术创新，我认为它们最终可能会成为现实。

The Tekeze project was on the drawing board for many years but potential Western investors such as the World Bank were always scared off by belligerent noises from the Egyptian capital.

塔克兹工程计划了好几年，但潜在的西方投资者，例如世界银行，总是被埃及宣战的声音吓退。

And, potentially, some ideas on the drawing board could make that trip of four light years something on the order of a century or maybe a little less.

而且，潜在地，绘图板上的一些想法可能会使四光年的旅程变成一个世纪或更短的时间。

Next-generation nuclear plants have been around for 30 or 40 years, at least on the drawing board, and only a few of them have actually ever been tried.

下一代核电站已经存在了 30 或 40 年，至少在绘图板上是这样， 但实际上只有少数几座核电站曾经被尝试过。