When going abroad for roaming or buying a card?

Buy a card. International roaming is one of the most commonly used mobile phone solutions for travelers, but the cost will be higher than buying a local mobile phone card, and it is more expensive and slower than the local network. Traveling here and there is more time-consuming and laborious, so choosing to buy a local mobile phone card With a mobile phone card, you can get local network and local phone numbers, and it is cheaper than international roaming. Especially for travelers who need to stay abroad for a long time, buying a local mobile phone card will be a reasonable choice. Going abroad (goabroad) is a Chinese word, which refers to the act of leaving one's own country. Legally, going abroad mainly includes four types of study abroad, immigration, tourism, and work.