zhuǎn jī liú chéng zuì guān jiàn de shì xíng li shì fǒu zhí guà，shì fǒu xū yào rù jìng，shì fǒu yào chóng xīn ān jiǎn

转机流程最关键的是行李是否直挂、是否需要入境、是否要重新安检。

The most critical part of the transfer process is whether the luggage is checked through, whether you need to enter the country, and whether you need to go through security again.