Given a travel related situation, and given a specific question about the situation, summarize the question into a title

[EX Q]: What do I need to know to charge my American phone / razor / laptop in Europe?
Do I need a simple converter, or do I need to take voltage in account?

[EX A]: What do I need to know to charge my phone / razor in Europe?

[EX Q]: I'm planning to take an elderly couple from Shanghai to Nantong. I'm looking for a more comfortable alternative than the intercity buses.  

Are there any companies who offer intercity taxi or minivan for a decent price?

[EX A]: China intercity travel by taxi or minivan

[EX Q]: Upon entering India with an e-Visa (formerly known as tourist visa), the immigration agent writes  the expiry date of the visa on the printed e-Visa (not the one on the passport, but the one we're supposed to print from the e-visa website). Does one have to keep the printed e-Visa on which the immigration agent wrote the visa expiry date?

The printed e-Visa looks like this:



[EX A]:
Does one have to keep the printed e-Visa on which the immigration agent wrote the visa expiry date?