It lasts for 15 days but Chinese people also consider the days of preparation beforehand as an important part of the Spring Festival.

它持续15天，但中国人也认为之前的准备日子是春节的重要部分。

They rue their lack of preparation.

他们后悔没有做好准备。

Emigration requires a lot of preparation.

移居海外需要很多准备工作。

Buying a house requires a lot of preparation.

买房需要很多准备工作。

This expedition requires a lot of preparation.

这次远征需要大量的准备工作。

An oceangoing voyage requires a lot of preparation.

远航需要大量的准备工作。

This failure can result from a lack of preparation.

这次失败可以归结为缺乏准备。

Space flight missions require a lot of preparation.

航天任务需要大量的准备工作。

The lack of preparation led to the project's failure.

准备不足导致了项目的失败。

Applying to a university requires a lot of preparation.

申请本科院校需要准备很多材料。