総英

Not all nudges promote healthy or socially beneficial behavior.

Some nudges are neither healthy nor beneficial.

are not in our best interests

she is close to meeting a target

are supposed to give people

best interests

good reasons to believe

those who are being nudged

on the basis of

Don’t let yourself be fooled by the bad ones.

people have wondered if there are other planets

That is still an open question.

we are getting closer

Nobody knows for sure

One day we may have clear evidence

the best we can do is to reduce the uncertainty.

the ones orbiting our sun were the only ones.

conclude

1000億

Stars that are very different from the sun

are unlikely to support life

much bigger than

will not last long enough before exploding.

There being so many planets

somewhere out there

unsuitable for life as we know it

the only possible kind of life

although I doubt it.

regard water as essential.

no water in liquid form

Ice won’t do, nor will steam.

今でないにしても

there could be a sea of liquid water.

Now Europa has taken the place of Mars

soon after

Just as

To sum up,

in orther for a planet to support life

so that water may remain liquid.

Even though, it is likely that

I hope to have shown

equips us to seek out