For anight dive like this, he should have had a surface float with its ownlight to make it visible.
像这次的深夜独潜，他应该准备一个能够让别人看到的发光的水面飘浮物。
2
These cars do not just go on land; they fly in the air, go foradive under the ocean and even make you wonder if they indeed are cars!!
这些汽车除了能在陆上行走，还能上天入海，甚至强大到让你怀疑它们是不是汽车。
3
Even if you can't or don't want to make the case for using the open source solution in your workplace, use the open source option as the platform from which you can take a deep dive into a technology.