(2)at the moment 有时也作“当时”讲，用于过去时态。如： I didn't buy that book, because I had no money on me at the moment. 我没有买那本书，因为当时我没带钱。

拓展

for the moment 暂时

in a moment 立刻 for a moment 一会儿 at any moment 随时