More formally, you can determine a score for each possible alignment by adding points for matching characters and subtracting points for Spaces and mismatches.

如果要更正式些，您可以确定一个分数，为匹配的字符添加分数、为空格和不匹配的字符减去分数。

youdao

Coordinates of a single point are separated by commas and Spaces are used between points.

每个点的坐标以逗号隔开，点之间用空格隔开。

youdao

If you award matches one point, penalize Spaces by two points, and penalize mismatches by one point, the following is an optimal global alignment.

如果为每个匹配字符一分，一个空格扣两分，一个不匹配字符扣一分，那么下面的比对就是全局最优比对。

youdao

However, all modern smartphones have Wi-Fi built in, and wireless networks are common enough in indoor spaces that an app could easily scan for known access points and calculate your position using trilateration.

FORBES: Smartphone Location Tools Are Great ... Until You Get to the Front Door