Because not many people had a bank account or easy access to credit, 'mood' spending had to be in cash - so if you didn't have the cash, you couldn't spend it.

因为不是很多人都有一个银行账户或能轻易获得贷款。‘随心’消费应该以现金为准——如果你没有那么多现钱，就不要消费。

youdao

If the personis just in a bad mood (maybe because of something you did, maybe not)you might be able to lighten the mood with a little bit of playfulness.

如果那个人只是情绪不好（可能是因为你做了什么事情，也可能不是），或许你能通过诙谐的玩笑减轻他的这种情绪。

youdao

The next time you could use a happiness boost, perhaps you should seek out a friend in a good mood. Just be sure not to bring your friend down inadvertently.

下次你想要寻求一个快乐催化剂的时候，或许你应该选择一个快乐的朋友作为目标，但是要切记注意不要不经意地把你的朋友也搞得不快乐了。

youdao

When your house is on fire, you may not be in the mood to hear about an impending cancer epidemic that threatens your neighborhood, so I hesitate to bring up this topic.

CNN: What if carbon dioxide were as black as oil?

Barca were not in the mood to be lenient and after Messi curled a 30-yard free-kick narrowly wide and forced Pyatov to catch his cheeky chip, they doubled their advantage.

BBC: Barcelona 5-1 Shakhtar Donetsk

Bashing the chaebol is not new in South Korea, but this time the mood appears to be hardening.

ECONOMIST: Presidential politics in South Korea