The fold-away panel that the primary camera tucks into also reveals more typical cameras, so you're not forced to use the gimbal if you don't need it. Still, that's one very thick camera unit:
Scroll to load interactive demo，更多细节参见新收录的资料
The issue is subtle: most functions (like the ones using method syntax) have an implicit this parameter, but arrow functions do not.。新收录的资料是该领域的重要参考
Which Samsung Galaxy Phone Should You Buy?，更多细节参见新收录的资料